Rapala Fish n Fillet Superflex Knife review and price compare 2025

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Product overview

Brand	Rapala
Model Name	NK14325
Special Feature	Manual
Color	Brown
Blade Material	Stainless Steel
Style	4" Blade Length
Product Care Instructions	Hand Wash Only
Item Dimensions LxWxH	1 x 1 x 1 inches
Item Weight	0.11 Kilograms

product features

Incredible extra thin blade allows the greatest flexibility and control ever.
PTFE non-stick coating lets fillets effortlessly fall away.
Razor-sharp handground stainless steel blade features through tang construction.
Polished brass ferrule.
Tooled leather sheath.

product description

Product Description

Incredible extra thin blade allows the greatest flexibility and control ever. PTFE non-stick coating lets fillets effortlessly fall away. Razor-sharp handground stainless steel blade features through tang construction. Polished brass ferrule. Tooled leather sheath.

From the Manufacturer

The incredible extra thin blade allows for greatest flexibility and control ever. PTFE non-stick coating makes filleting even easier. Razor-sharp handground stainless steel blade features through tang construction that equals maximum strength and stability when cutting. Finished with a polished brass ferrule. Tooled genuine leather sheath has structured scabbard for safe knife storage.

product details

Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 1 x 1 x 1 inches; 3.88 Ounces
Item model number ‏ : ‎ FNFSF4
Department ‏ : ‎ Unisex-adult
Date First Available ‏ : ‎ June 19, 2008
Manufacturer ‏ : ‎ Rapala
ASIN ‏ : ‎ B001B99YCY

important information

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Questions about Rapala Fish n Fillet Superflex Knife

What country is this knife made in?

Answer: I believe Finland but could be wrong. At least that is the country of origin.

Answer: The word Finland is on the blade. But I don’t know if that’s where it’s made.

Answer: The knives are made by the MARTTIINI family in Finland. Look for their signature on the blade.

Is this the same as a boning knife? Need to trim fat from a brisket

Answer: I have used filet knives for deboning pork shoulders and trimming fat from briskets, but this isn't a boning knife. Victorinox makes boning knives, as do other manufacturers.. I would suggest you get a 6 inch flexible blade boning knife for this.. just type in the Amazon search box for Boning Knives.. you should get a buttload of hits.

Answer: Fillet knives are ideal for fish because the thinness and shape of the blade allows for better maneuverability for removing skin. Boning knives have a thinner blade than most other kitchen knives but they typically aren't as thin as fillet knife blades, and are not necessarily flexible. This reply is found on Google.com.

What is the best blade length to fillet fish?

Answer: I personally like 6 inches to 8 for fish shorter than 3 feet. 10 or more might be good for fish like a tuna or marlin.

Answer: For me the best length is about 8 inches. Maybe less or more for another fisherman!

Is the knife dishwasher safe? What is the handle made of?

Answer: The handle is wood. I hand wash all of my Rapala filet knives (4). The 4" filet knife is excellent for panfish. Very easy to handle. Rapala is one of the best for a reason.

Answer: Handle is wood. I recommend hand washing. Great knife though

Answer: If you make the mistake of putting anything made of wood into the dishwasher, you won't make that mistake a second time unless you do not learn quickly!

Answer: Handle is made of wood. It’s worth hand washing to keep it in good shape. Cleans up easily.

Answer: No! Hand wash only!

Answer: The handle is made of wood. Very nice knife! I have put in dishwasher a few times however Usually just wash by hand because it is simple to do. I use it every day, had it for three years and holding up well.

Answer: I would say yes

How do you sharpen the knife? Is there a specific way?

Answer: Main thing is to get a good sharpener, since as sharp knife has a precise angle in the blade I recommend a sharpener not a stone! too hard to control at least for beginners. So get a sharpener that has a" V" looking groove which you run over the blade, the "V" may be made of ceramic or hardened tungsten carbide. Great Knife!

Answer: V sharpeners work ok on the boat. For a good long lasting edge I use a Chefs Choice knife sharpener. Its got the three angles needed to get a good edge

Answer: Rap all’s makes a ceramic sharpener for this knife

Answer: No stone. Rod or v sharpener work great

this supposed to be a gift so does it come in some box or other packing?

Answer: Yes it does in a bigger box

Answer: As I remember......it came in clam packaging. The blade is from Finland, it is much better than the cheap China stuff for $6.

Answer: Just the knife and the leather sheath-but it is a great knife!

will this come with a sheath, it is not pictured?

Answer: Yes it cones with a sheath. It’s a great knife.

Answer: Yes. See last item shown in the product description below.

Answer: Yes it comes with a sheath.

Answer: Yes sheath included. These are great knives . I use them for boning out deer I process. The Flex blade allows the blade to flex on the bones for a very clean job.

Answer: Mine did. I don't even put the knife away. I use it for everything including vegetables and steak. Love it.

Answer: Yes. Made of leather.

How long is the handle of this knife? I read a review that stated it was a small handle

Answer: The blade is 6". The handle is a tick over 4.5"

Is this model thinner than the classic?

Answer: I think the blades are similar. However, this 4" knife is now my go to knife for most of my filleting of fish. It is so easy to handle and is so sharp. One of best filleting knifes I owned.

Answer: I don’t know, I can tell you it was very dull! I bought it to gut trout . didn’t do a darn thing...I returned it.

Answer: appears to be the same

does this get slippery when working with fish?

Answer: Everyting involved in cleaning fish will ultimately get slippery. It all depends on how many fish you will be cleaning.

Answer: No, extremely easy even after cleaning a number of fish.

Answer: Yes. Any smooth wood surface does when contacted with fish guts, but it’s not unreasonably hazardous, or anything some caution can’t remedy.

Answer: DON'T HANDLE THE FISH WITH YOUR CUTTING HAND UNLESS YOU WASH IT OFF.

Answer: It does not. It has a slight matte or rough finish along with crosshatched patterns and logo to keep the handle in your hand without slipping.

Answer: No great handle. I love it

Is the knife dishwasher safe? What is the handle made of?

Answer: The handle is wood. I hand wash all of my Rapala filet knives (4). The 4" filet knife is excellent for panfish. Very easy to handle. Rapala is one of the best for a reason.

Answer: Handle is wood. I recommend hand washing. Great knife though

Answer: If you make the mistake of putting anything made of wood into the dishwasher, you won't make that mistake a second time unless you do not learn quickly!

Answer: Handle is made of wood. It’s worth hand washing to keep it in good shape. Cleans up easily.

Answer: No! Hand wash only!

Answer: I would say yes

What type of metal is the blade?

Answer: I am not sure, I have had many over the years and none have rusted. They sharpen easily. I have 2 different sizes right now and 2 of each. I have only had to replace the one I had for nearly 20 years, after being lost. I hope this helps, I can assume it is stainless due to no rust ever.

Where is the blade made according to the fine prints on the packaging ?

Answer: Finland

Where is this made?

Answer: Made by Marttiini knives in Finland.

Whats the country of origin?

Answer: One source says it is still made in Finland. Another says Sweden. Some of the other models are .now made in China.

Answer: Mine says Estonia. And by the way it is so dull it won't cut my thumb when pushing down on it.

what steel is this made from? is it carbon?

Answer: The blade has flat ground stainless imprinted on it. That's it. I threw the packaging away a long time ago.

What country is this knife made in?

Answer: I believe Finland but could be wrong. At least that is the country of origin.

Answer: The word Finland is on the blade. But I don’t know if that’s where it’s made.

Answer: The knives are made by the MARTTIINI family in Finland. Look for their signature on the blade.

The non stick coating. Does it come off when you sharpen the knife>

Answer: Yes, it does on mine

which is the thinnest filet knife

Answer: I use this knife for fishing. My wife liked it so much I got her one for the kitchen and she loves it too. Blade is thin and very sharp.

Answer: I tried this knife and several others and found them all to be dull. Very disappointing.....I’m still looking for a sharp thin filet knife to filet my trout.

Answer: From my experience the rapala knife has been my best knife

Is the handle wooden? thank you!

Answer: Yes, the handle is wood, and with the checkering gives a good grip.

Answer: Yes it is a wood handle.

Answer: Yes , It has a checkering on the handle too.

Answer: yes and it is knurled and easy to grip

is the blade full tang?

Answer: Probably not. The handle is a single piece of wood and there are no screws or rivets that attach it to the blade. This is an inexpensive knife that is designed to be flexible for filleting; it doesn't seem to be the type of tool that will become a family heirloom.

Is there a complete set of all sizes sold together

Answer: Haven't seen that??

What steel is this?

Answer: As it says in the ad...stainless

Can I get just the 4" knife? I lost mine but still have the leather sheath.

Answer: Doubt it!

what is the size, how long is the blade?

Answer: Norm, on the one I have the blade is 6" long; it is 3/4" high at the base and 1/2" high half-way down the blade. It is very flexible. Rapala might make different models of this knife.

Answer: Mine is 10 3/4" overall, 6 1/16" blade length, model # FNFSF6. Note there are 3 models with 4", 6" and 7 1/2" blades. Te last number in the model number is blade length.

Answer: I don't have the knife with me now but the blade is about 6 in. long. I fillet a lot of crappie and blue gill and I don't cut through the rib bones. It fits well in my tackle box. It's a good buy although it is a bit easier to fillet with a longer blade for me. I love my rapala knives

Answer: The blade is six inches

Answer: 6 inches long.

On a scale of 1 to 10 how flexible is the knife.

Answer: Enough but not overly. I haven't had it long enough to have any complaints either way . I've only cleaned 2 nice channels and 1 nice striper with it and to be fair I had my shorty stiff knife with me on both of those. I bought this 7 1/2" for filleting the skin off of filets and pushing threw longer fish and for that if kept sharp it works fine.

Answer: 7. The Original Rapalas, aleast older ones, are a 9-10. I don't believe they are as sharp, but am going to try a different method.

Answer: It is fairly flexible for a short blade - I would give it a 7.

Answer: It says it super flexible retard

Answer: 7

What size would be good for rabbits?

Answer: The largest

Is the knife in the picture the same one that I would receive?

Answer: Yes, it looks exactly like what I received. This is a great small fillet knife. I actually use it to breast out geese. It works great.

Answer: The knife pictured is the same knife that I received when I purchased it.

Answer: basically yes but the one in the picture appears to be a 9" .... nice knife

Answer: It is a beautiful knife. I keep some on hand as small gifts to bring to a dinner occasion. I use one myself every day. The balance, sharpness and shape are unique.

Answer: Yes

Which is better for northern bass n bluegill, this superflex or the original rapala 6"??-thx

Answer: I like the 6" for pan fish but the superflex is a great knife

Is cutting edge 15 or 20 degree bevel?

Answer: I believe it is 15 degrees

where is it made?

Answer: The Rapala Superflex and every Marttiini knife is manufactured at the Marttiini factory in Rovaniemi, Finland, right on the Arctic Circle. They represent the beauty and toughness of the North. Hope that helps.

Answer: The printing on the blade says Finland.

Answer: I don’t know, but as cheaply made as it is, hopefully not in the USA!

Coating vs non-coated for panfish/walleye? & what size blade is good 6"?

Answer: The coating makes a marginal improvement, mainly when skinning. It’s not a big difference. The 6" blade is great for panfish and should be fine for most walleye. If you catch a lot of bigger walleye then go with the 7-1/2 inch blade.

Answer: I use a 4” and 6” blade. I LOVE this coated 6” blade A LOT. It’s not as fast as using an electric knife, but close. It’s SUPeR sharp.

Answer: I like the coated knife, 6" will fillet a very large fish! I use it for almost everything I cook!

Answer: This knife will be great for panfish/walleye - the coated blade will make it easier (regular uncoated blade would be fine too) and the six inch blade is plenty long enough.

What is the blade length?

Answer: I bought two the one that is listed as a 6" blade is actually 6 1/16 " and the one that is listed as 4" is actually 3 15/16" . Hope this helps.)

Answer: There a a number (2?) of blade lengths. The model number tells you whether it is the shorter or longer blade. Cross reference with the manufacturers web site.

Answer: I am sorry but I am not sure because I gave the knife as a gift; my pretty good guess, however, is 6".

Answer: 7 inch I do belive. Very nice knife use it every day sharpened very few times

does the 7 1/2in come with a sheath? the pic does not show one.

Answer: Not 100% on this. BUT. Ive never seen a Rapala sold or exist without a sheath.

Answer: Mine did .

Answer: Yes

Answer: Yes it did.

Answer: Yes it does.

Answer: Yes

can it be shipped to Boston, MA?

Answer: Probably. Unless some local laws.

does the sheath have a strap that goes over the end of the knife to prevent it from falling out of the sheath as the picture indicates?

Answer: Yes, the sheath have a strap that goes over the end of the knife to prevent it from falling out of the sheath. When in the sheath it has no way to poke or puncture you. The sheath is very well made.

Answer: it does not - what you seen the picture is the belt loop. Nevertheless the knife fits well in the sheath and it is unlikely to fall out.

Answer: They sit far enough into the sheath, tightly, that they don't fall out. My dad has had one as long as I can remember and it's never been an issue.

Answer: No, mine did not come with a strap and snap over the handle. The sheath does come up higher to mid-handle.

Answer: Mine does not have a strap and will slip very easily out. If upside down.

Where is it made

Answer: I says Finland on the sheath.

Answer: Estonia

Product reviews of Rapala Fish n Fillet Superflex Knife

Jen Smith : Too flexible vs my expectations

I’m sure this is perfect for some applications but there was actually too much flex in this for me to like it as my all around fillet knife. Only good for soft, skinned fish fillets

John R. : Great

Grear product

Brendan : Handle falls apart

The handle is absolutely terrible. Falls apart.

DJC : Perfect flex. Liked the 4" so much I ordered ...

Perfect flex. Liked the 4" so much I ordered the 7" to replace my

It arrived sharp but I increased its sharpness with an oil stone then strop. You could now shave with it.

EDIT: On my 7" I had no end of problems trying to get the tip sharp. I finally laid it against a flat edge and found it was bowed. When yours arrives, check it and if its bowed send it back.

Amz customer : Razor sharp, high quality, made in Finland, good price!

Razor sharp, high quality, made in Finland, good price!

Rugers : The Best Fillet Knives!

Super sharp and the best knives for the money!

Lawrence W. Dean : Beautiful knife.

I buy these knives for presents when I am invited to someones house for a party or dinner. They make an elegant gift, extremely sharp, well made, easiest knife for cutting fruit and vegetables or any small food. People I give them to often photograph them and send the photos to their friends.

R. Sisco : Super sharp, I only use it for trimming meat ...

Super sharp, I only use it for trimming meat for the BBQ and I sharpen it regularly with my Work Sharp Knife & Tool Sharpener

Archer : Cheaply made and expensive

Cheaply made and expensive. You are paying for the brand... there are better options for half the price

Book Gnome : Sharp, Smooth, Supple!

I've been filleting fish for 40 years--ever since my little brother (who is better at everything than I am but never brags about it) declared that he was not cleaning one more of my fish! He was the one that taught me how to fillet a fish, and he used a Rapala fillet knife. I've occasionally tried other brands, but 40 years later I'm still using Rapala. And with good reason--I got more than 10 years out of my last knife (which I still use around the kitchen), and thought I'd upgrade a little with its replacement. The PTFE non-stick coating on the blade does indeed help this knife remove the fillet from the skin more smoothly. I didn't notice a major difference on the other cuts--just the super sharp and supple performance I've come to expect from a Rapala. Expect an update on Rapala's latest offerings in another 10 years!

On a side note, this product makes a really great sidekick for the Rapala fillet knife. While you can tell I'm a big Rapala fan, this one does a better job than the little Rapala sharpeners.

O. Padilla : sharp, compact, pretty

wouldn't go fishing without it

bryan fortner : For my wife

I bought this for my wife, for processing small game. Stays sharp, great product.

Sara : Wonderful

Bought as a gift for my fiancé and it's a great cheap and sturdy knife. All other filet knives rusted within a few uses out on the saltwater but this one is still perfect.

Sara : Wonderful

Bought as a gift for my fiancé and it's a great cheap and sturdy knife. All other filet knives rusted within a few uses out on the saltwater but this one is still perfect.

Annemarie Conrod : Product not as advertised

This was such a disappointing filet knife! It was not sharp at all ....it came as though it needed to b sharpened! I returned it.

Amazon Customer : One sharp fillet knife

I bought this 4" knife for filleting northern pike and getting the y bones out of the fillet. First time I used it I could not believe how sharp and quick it was for making fillets. Great little knife.

J. Allen : the perfect kitchen knife

Like the larger Rapala knife, this little jewel is awesome. Small, easy to use and very sharp!
Not to be used for cutting hard cheese or such since the blade is thin and flexible. Twisting would probably break it. That's not a complaint, just an observation.
With a kitchen full of "good knives", this is the one I'm always reaching for...

Pam Aycock : He loved it! He has one but it is over ...

He loved it! He has one but it is over 30 years old and he wanted a new one so I found it!

Amanda B : Good product

It was a gift but he loves it

Amazon Customer : Great buy! Awesome fillet knife.

Just ordered last night and it showed up today. Must warn you extremely sharp love it though that’s what you want. Very high quality blade and like it says super flexible. Great buy also!!

Jane Duff : Three Stars

knife was not sharp

Patrick W. : Great product

Great product

Ya. SHOPPER : Good product

Razor-sharp, holds edge well, easy to re-sharp, convenient to use

Diane s. : Just exactly what it is like online

Perfect exactly what my husband wanted. So happy he loves it. Will buy from them again.

TJ : Great for the money. Works as it should

Great for the money.

Brandon White : Great fishing knife

This is a fantastic scaling knife. Very durable, good design, and it holds an edge well. The blade does has some flex to it but it's because it's so long.

Adam : Nice durable knife for filleting and skinning

This knife has worked great so far for filleting and skinning fresh-caught ocean fish. It's a bit harder to work with on some of the larger fish (as, of course, there's less ability to flex around the larger bones), but it's still long enough to get the job done. And for smaller fish, it's great and sensitive enough for filleting very closely. I do think it's getting duller and I'm skeptical about how to sharpen it. I've tried to sharpen it with standard knife sharpeners I use for all my kitchen knives and I'm not sure if it's really gotten sharper or not. With the non-stick surface (which seems like it's probably been helpful), I'm just not sure if I'm getting at the actual blade or not when I try to sharpen it. Anyway, still holding up well though!

robert m. shawcross : The best fillet knife

I think this is about number 6 or 7 in the last 30 years. Great knife, I have cleaned thousands of fish with Rapala fillet knifes.We use them while camping and cooking also. when they are wore out I give it to my wife and we use it in the kitchen. Great for deboneing a whole ham and carveing a turkey. I wish they made all kinds of knifes, they are missing a ready made market. With all the guys that have their knifes .

Adam : Nice durable knife for filleting and skinning

Annemarie Conrod : Product not as advertised

This was such a disappointing filet knife! It was not sharp at all ....it came as though it needed to b sharpened! I returned it.

Ya. SHOPPER : Good product

Razor-sharp, holds edge well, easy to re-sharp, convenient to use

Andy : Great flexibility good knife for small filet.( Smaller fish )

Good knife .

Rado72 : Still a great filet knife...

I’ve used Rapala Filet Knives for many years, and always come back to them. This one arrived very dull. Sharpening a flexible filet knife on a whetstone isn’t too easy, but once the edge was razor sharp it’s easy to maintain. The manufacturer should at least send the knife with a good edge.

Alexander D Maldonado : Cheap and usable

Nice little travel knife for fishing outdoors not completely the best but good enough to take anywhere you need

Nancy : Good for most anything you want to slice.

We use on fruits, vegetables as well as fish and all kinds of meats. Easy to sharpen. Have used for years!

Ryan B. : Sharp and perfect size for delicate filleting

Got my knife today and used it on a few trout I caught this morning. Absolutely perfect size for cleaning trout and panfish. A few reviews said knife came dull, must have been a bad lot. This one came very sharp out of the box. Why have I been buying expensive fillet knives for small fish till now!

Patrick W. : Great product

Great product

Bill : Three Stars

Won’t hold an edge. Continually sharpening while filleting my catch.

AmazonFan.RichVA : Not just for fisherman

Great knife. A great fish fillet knife but I use it often to trim meat or to de-bone. If used just for work on meat, not hacking thru cartilage, certainly never on a vegetable, it may never need sharpening. Not just for fisherman. Every kitchen should have one.

Bill : Three Stars

Won’t hold an edge. Continually sharpening while filleting my catch.

Douglas Burnett : Not what you expect

Have had Rapalas in the past but this does not have near the quality of past ones. Blade is much too flexible and the finish on the blade not what I expected. Had a rough finish. Go to a store where you can view the knife before you buy. Very, very, unhappy with this purchase.

SKELATORN : Five Stars

good knife for large fish and it's my favorite kitchen knife

Annemarie Conrod : Product not as advertised

This was such a disappointing filet knife! It was not sharp at all ....it came as though it needed to b sharpened! I returned it.

Andy : Great flexibility good knife for small filet.( Smaller fish )

Good knife .

Diane s. : Just exactly what it is like online

Perfect exactly what my husband wanted. So happy he loves it. Will buy from them again.

Nancy : Good for most anything you want to slice.

We use on fruits, vegetables as well as fish and all kinds of meats. Easy to sharpen. Have used for years!

Anthony Riscossa : Was great in 1923 but knives have evolved. This knife is a relic of the past and belongs there.

The handle is made for amputees. After decades of the same style you would think they would evolve into a better designed knife. Rapala has failed to evolve and keep up with modern times. I have found that even the older Case Filet knives are far superior to this archaic handle and Stone Age design. Even the lessor Japanese designed knives are better filet knives than a Rapala. This is a good gift to give your hated Mother-In-Law, a wedding gift for your ex-wife or a small, inexperienced child that doesn't know any better. This was a $28.00 mistake on my part that I will be selling at my upcoming garage sale for .50 cents. I'll use the sheath for my Case Filet Knife at least.

Ogy : Nice Knife

I've never had a problem with cleaning fish, so, for decades, I have not only cleaned those that I've caught, I usually have friends & family bring their catch to me for cleaning as well. I have even received a free Canadian fishing trip just so the group would have a resident fish cleaner. Being a sucker sometimes pays off eh? Because of this I have made "friends" with more than one filet knife over the years. I have only used the Superflex Knife one time, but it was a 6 hr. cleaning session so I think I have a good feel for it at this point. The blade is indeed more flexible than the regular Rapala, but not excessively so. The one thing that I did notice, which isn't the knife's fault, is that I was having a little control issue with the Superflex blade. I attributed this to the black coating on the blade, which allows it to slide through the filet easier. Once I adjusted for that, by using lighter pressure on certain cuts, I was back in the groove. More than likely this will be my newest "friend", at least on the smaller fish, but will probably rely on the regular Rapala's heavier blade when dealing with heavier boned fish. All & all the Superflex Knife is an excellent choice for those looking for something a little more flexible than the regular Rapala, which is also a good knife in the humble opinion of this fish cleaning "sucker." I have cleaned so many fish with my regular Rapala that the blade & I have become one, which may be why I experienced the minor "control" issue with the Superflex Knife.

Jason : Sharp

Sharp

david baker : Not sharp

Nice knife but was disappointed in the sharpness, had to sharpen it before taking it on wilderness trip.

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