KastKing Spartacus Fillet, Boning and Food Prep Knife, Razor Sharp 8Cr14 Stainless Steel Blade, 7 Inch review and price compare 2025

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Product overview

Blade Material	Stainless Steel
Brand	KastKing
Color	D: 7 Inch Fillet Knife
Handle Material	Stainless Steel

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8Cr14 Stainless-Steel Blades – Each of the new KastKing Spartacus knives feature the ultra-sharp, 8Cr14 Stainless-Steel blades for the ultimate in performance and durability. These blades have a high carbon content to retain their edge sharpness longer and a higher Chromium content than competitive 8Cr13 knives to increase corrosion resistance. Even with these higher quality blades, KastKing Spartacus knives are priced lower to deliver exceptional value.
Cerakote Ceramic Finish – To deliver the very best corrosion resistance of any knife on the market today, Spartacus knives are coated with Cerakote, ceramic finish. This high-temperature ceramic coating will withstand temperatures to 2000 degrees and provides the best corrosion resistance possible. Cerakote is used on high-end firearms and in the automotive industry to ensure a long-lasting finish.
Kraton G Polymer Handle – The highly UV resistant handles provide the ultimate in performance and durability. Kraton G Polymer performs at all temperatures and provides a comfortable and slip-resistant grip during cleaning and processing.
Protective Molded Knife Sheath – Each knife includes a light-weight and durable sheath to protect your blade and provide a safe storage option for your knife. Unlike fabric cases that retain water and cause corrosion, our molded case allows water to drain from the case and air flow to circulate which keeps blades in top notch condition between uses.
Perfect for Fresh or Saltwater – KastKing Spartacus fillet, processing and food prep knives are perfect for all fresh and saltwater applications or for use in the kitchen. These professional level knives will provide years of service and will quickly become your favorite tool for filleting fish, boning meat and processing any food.

From the manufacturer

Each Spartacus knife features a comfortable and durable handle made of Kraton G Ploymers which is highly UV resistant and provides and slip resistant surface. The professional quality handle is a joy to work with and provides the ultimate in comfort and control through long cleaning sessions.

The molded protective case provides a safe storage option for each knife and unlike other fabric or leather cases, will not trap moisture which can quickly cause corrosion. The sheaths are tough and durable while allowing water to drain freely and air to circulate throughout the protective case to keep your knife in top notch condition between uses.

Flexible For Cutting Fillets

KastKing Spartacus Fillet Knives have the proper amount of knife blade flex to make filleting faster, easier, and safer.

Full Sheath Protection

KastKing Spartacus Fillet Knives feature a full molded knife sheath to protect you and the knife blade, which you can release with a flick of your thumb. Sheaths have belt loops and drainage holes.

7 inches Fillet Knife

KastKing Spartacus knives are the ultimate fillet, boning, processing and food preparation knives for the field or home and are perfect for use in fresh or saltwater conditions.

9 inches Serrated

KastKing Spartacus knives are the ultimate fillet, boning, processing and food preparation knives for the field or home and are perfect for use in fresh or saltwater conditions.

9 inches Strong Fillet Knife

KastKing Spartacus knives are the ultimate fillet, boning, processing and food preparation knives for the field or home and are perfect for use in fresh or saltwater conditions.

9 inches Fillet Knife

KastKing Spartacus knives are the ultimate fillet, boning, processing and food preparation knives for the field or home and are perfect for use in fresh or saltwater conditions.

7 inches Fillet Knife

9 inches Serrated

9 inches Strong Fillet Knife

9 inches Fillet Knife

product description

Color:D: 7 Inch Fillet Knife

KastKing Spartacus fillet and food prep knives are a professional quality tool that you can count on for all fish and game processing. They are finished in a beautiful, gray Cerakote, high-temperature ceramic finish over an incredibly sharp, 8Cr14 stainless-steel blade. The high carbon content stainless is easy to sharpen and maintains its edge longer. The higher Chromium content in the blade material delivers higher corrosion resistance and when combined with the Cerakote ceramic finish, these knives will simply out-perform competitive models. Each Spartacus knife features a comfortable and durable handle made of Kraton G Ploymers which is highly UV resistant and provides and slip resistant surface. The professional quality handle is a joy to work with and provides the ultimate in comfort and control through long cleaning sessions. The molded protective case provides a safe storage option for each knife and unlike other fabric or leather cases, will not trap moisture which can quickly cause corrosion. The sheaths are tough and durable while allowing water to drain freely and air to circulate throughout the protective case to keep your knife in top notch condition between uses. KastKing Spartacus knives are the ultimate fillet, boning, processing and food preparation knives for the field or home and are perfect for use in fresh or saltwater conditions.

product details

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Questions about KastKing Spartacus Fillet, Boning and Food Prep Knife, Razor Sharp 8Cr14 Stainless Steel Blade, 7 Inch

Just released july 2019. But how does the blade hold up to perch or walleye tough skin?

Answer: have used mine about a dozen time ad so far it is still as sharp as the day I got it

How do you get fish bits out of the solid sheath? The air hole looks rather small from the pictures.

Answer: Never an issue, lay the sheath aside and clean the fish. Wash all off and back together.

So, the steel in this blade is 8cr14, not 8cr14MoV?

Answer: It's actually a hybrid 8cr14 and a MoV which allows you to use the HOV carpool lane!

7" Spartacus filet knife question. The key to filetting fish is a sharp flexible knife and good feel. Is it light enough to feel the bone edges?

Answer: Yes,you can definitely feel the bones. This knife is EXTREMELY sharp and easy to resharpen. I use the 7" knife on larger fish like walleye and bass and the 5 " knife for panfish.

Answer: Yes, a excellent filet knife needs a flexible shape blade to feel the bone edge and a handle that feels good in the hand.

Product reviews of KastKing Spartacus Fillet, Boning and Food Prep Knife, Razor Sharp 8Cr14 Stainless Steel Blade, 7 Inch

Bryson : Kastking

Bought the Spartacus fillet knife holy cow is it Sharp best fillet knife I've owned by far

Joy K. : Very sharp, as advertised. Nice grip.

Very sharp, as advertised. Nice grip.

Robin K. : Good product

The knife holds its edge very well. I am pleased with the product

jbagcav : Razor sharp out of box...

Haven't used it on fish yet but it's got a comfy grip and razor sharp edge.

Jane Doe Reviews : Good value, solid knife.

Purchased this based on some other good reviews and the price point. The grip is fairly large for my small hands, but it feels solid and sticky/textured enough not to slip with wet/slimy hands while working. The 7" has plenty of flexibility without being to limp. The blade fits well into the provided hard sheath and engages securely with an audible click when completely secured. The sharpness seems pretty good straight from the box. I'm looking forward to seeing how the edge retention holds up with continued use. So far, so good. I'd love to see this model in a smaller size like a 4-5" for more delicate work.

Amazon Customer : Good knife bad cover

Everything was good. Filleted really well, looks nice.
One big point that I give this nice was that cover is too loose to hold the knife.
I purchased this one because of cover(the one that I considered didn’t have a cover)
But nothing different has cover or not.

That was big frustrating .

Joel C Thomazin : Big knife

This is a big filet knife, with belt loops, and a heavily textured grip keeps the knife in your hand despite fish slime. Its not super flexible but enough for the job.

Kevin S : Great Product

Great product and great quality for the price

Yoon : Good quality

Opened up the box and felt the knife. Was satisfied with the quality and feel of the blade. Excited to use it on my trip next week!

PJ : Sharp! Watch your digits!

Haven’t used it yet to clean fish but cuts meat like butter. Bought for hubs but use it almost daily as I cook!

ASHTON CURRY : Get it!

This is a larger handled knife. So if you have large hands or your husband has large hands this will be perfect for him. The hubs loved it!

Amazon Customer : Great quality

Great knife sharp and flexible makes cutting meat easy

PJ : Sharp! Watch your digits!

Haven’t used it yet to clean fish but cuts meat like butter. Bought for hubs but use it almost daily as I cook!

Amazon Customer : Sharp knife

Sharp and works great. Good purchase for the price

A.D : Very sharp

Extremely sharp comfortable handle

Jennifer Greene : Would recommend.

Razor Sharp as reviews say. Very rugged sheath. Nice product.

Eric Gray : Great grip and sharp blade

Happy with the way it fits in my grip and looking forward to many more filets with this knife!

jake : solid blade

great product, quality handle for dealing with slippery fish fingers

Amazon Customer : Good knife bad cover

Butt3rBean : You will not regret buying this knife.

What a great buy! Perfect handle, grip & size.
Not to mention the snap-in sheath

J C : Impressive Knife

Until I read another person’s review, I was disappointed in how the sheath slipped right off the knife for obvious safety reasons. The other review stated to push the knife in the sheathing until it clicks. I did this and decided to keep the knife and have used it. Really sharp and smooth. Feels good in palm of my hand and I can have full control.

daron weeks : Very sharp knife

This knife came in a nice package. It is very sharp to start with and the sheath seems to hold it securely.

Nahn Trang : Nahn Isuzu

Flexible blade ,large and comfortable handle make control the blade easy.

Kyle mckean : Great knife

Shipped very fast, it is really sharp. Only time will tell how it holds an edge.

Amazon Customer : Great!!

Great filet knife sharp comfortable handle .

PJ : Sharp! Watch your digits!

Haven’t used it yet to clean fish but cuts meat like butter. Bought for hubs but use it almost daily as I cook!

Eric Gray : Great grip and sharp blade

Happy with the way it fits in my grip and looking forward to many more filets with this knife!

Julia Zakrewsky : Great feel

Handle seems really comfortable, light, good looking, cool package. Can’t wait to try it out!

Amazon Customer : Another great Kastking item!

Having previously purchased a Kastking spinning reel and loving the quality, I decided to try some of their accessories; starting with this filet knife. It arrived in a very attractive box and is a beautiful knife! The handle feels great in my hand, and the blade is incredibly sharp and appears to be of fantastic quality.

Scott R. : The packaging and all around design of the knife is amazing

The packaging on this knife made me feel like I was opening a $100+ knife. The handle of the knife is big, has tons of grip and feels very safe in your hand. The blade is beyond sharp and great flexibility. I filleted 4 crappie yesterday and got more meat of the fish than I ever have. You could totally see through the fish once done. For the price I am overly satisfied with this knife.

Amazon Customer : Great!!

Great filet knife sharp comfortable handle .

Amazon Customer : Great knives

I got both the 7in fillet and the 9in strong fillet knives and I love them both. Great grip! I cant wait to use them!

Greg Robertson : Beast Blade

If you have small hands then the handle on this knife might seem a little excessive, but I have large and hands and really enjoy the fit and feel. I have only used a few times so far but this blade seems to be high quality for the price. I plan to return and provide an update on my thoughts after a few months of use. Overall first impressions are VERY good. Kastking seems to make loads of quality products at very reasonable prices. I don't think you can go wrong with this one!

Chris : Worth every penny!!!

Definitely recommend this product, razor sharp right out of the box!! The handle is very comfortable and I get a nice firm grip. I'll be fishing for redfish soon, can't wait to put em to work!!

Update: Caught some whiting at the surf and I was able to put the knife to work.. Did not disappoint, extremely sharp and filleting was effortless. I just ordered another for my dad, he was very impressed!!

daniel : Quality

Awesomeness

arnold carrasquilla : Excellent

Excellent thanks

Sean : GREAT PRODUCT

Best filet knife I have ever owned.

daniel : Quality

Awesomeness

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