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🔪 Slice like a pro, grip like a boss — never miss the catch or the cut!
The KastKing Speed Demon Pro Fillet Knife features a premium 9-inch G4116 German stainless steel blade engineered for razor-sharp precision and long-lasting edge retention. Its ergonomic, non-slip super polymer handle offers superior grip and comfort for professional-level filleting, boning, and bait prep. Each knife includes a durable, water-draining protective sheath that locks securely for safe storage. Available in multiple sizes, this knife is trusted by anglers and hunters for versatile, high-performance cutting, all backed by a comprehensive warranty.

















| ASIN | B07C98K7D9 |
| Age Range (Description) | All |
| Age Range Description | All |
| Best Sellers Rank | #1,997 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1 in Fishing Filet & Bait Knives |
| Blade Edge | Plain |
| Blade Length | 9 Inches |
| Blade Material | Stainless Steel |
| Brand | KastKing |
| Brand Name | KastKing |
| Color | D: 9'' fillet knife |
| Customer Package Type | Sheath Included |
| Customer Reviews | 4.7 out of 5 stars 3,695 Reviews |
| Hand Orientation | Ambidextrous |
| Handle Material | Stainless Steel |
| Included Components | Knife and Sheath |
| Is Product Cordless | No |
| Item Length | 14.8 Inches |
| Item Shape | Elongated |
| Item Weight | 5.99 Ounces |
| Manufacturer | Eposeidon |
| Model Name | Speed Demon Pro |
| Model Number | Speed Demon Pro |
| Orientation | Horizontal (when not in use), Vertical (when in use) |
| Part Number | Fishing Knives-2 |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Fishing and Food Preparation |
| Reusability | Reusable |
| Set Name | KastKing Speed Demon Pro 9" Fillet Knife Set |
| Size | 9" |
| Special Feature | G4116 German Stainless-Steel Blade |
| Special Features | G4116 German Stainless-Steel Blade |
| Style | Modern |
| Theme | Fishing |
| Unit Count | 1 Count |
M**N
KastKing Speed Demon Fillet Knife
The KastKing Speed Demon Fillet Knife is hands down one of the most impressive fillet knives I’ve used. From the moment you pick it up, you can feel the quality—lightweight, well-balanced, and built for serious performance. Sharpness: This blade is razor sharp right out the box and stays that way. It holds a consistent edge that slices effortlessly—whether you’re cutting through fish, onions, or tomatoes. You can literally get paper-thin cuts with precision, which speaks volumes about the blade quality. Durability & Strength: The blade is strong and built to last. Made with high-quality stainless steel and protective coating, it stands up to tough use without losing performance. Many users report it holds its edge even after months of use without sharpening.  Handling & Comfort: The ergonomic handle gives you a solid, non-slip grip, even when wet. It’s designed for comfort, so you can fillet multiple fish without hand fatigue. The balance makes it easy to control every cut with precision.  Lightweight Performance: One of the standout features is how light it feels in your hand. It doesn’t weigh you down, which is key when you’re doing a lot of prep work. That lightweight design combined with its power makes filleting feel almost effortless. Overall Performance: Whether you’re cleaning fish or slicing in the kitchen, this knife delivers smooth, clean cuts every time. It glides through fish with ease, making filleting faster, cleaner, and more efficient. 🔥 Final Verdict: The Speed Demon lives up to its name—sharp, strong, lightweight, and built for precision. If you want a knife that performs at a high level and makes filleting almost effortless, this is a top-tier choice. Perfectly sized and it includes a great durable sheath made from lightweight quality material.
K**.
Filet knife
Excellent quality. Holds an edge. Good value.
A**R
Great choice
Very sharp knife and easy to use.
J**F
Sharp
Sharp. Decent grip. Nuff said
C**Z
Friends think it’s a 200$ knife…. Amazing
The KastKing 9-inch fillet knife is a cut above the rest – literally! The blade is impressively sharp, making it perfect for tackling larger fish, even beyond the likes of mangrove and pompano. The size may seem more than necessary for these catches, but it's a fantastic asset if you're venturing into big game fishing. What truly sets this knife apart is the remarkable handle – it feels amazing in your hand, providing both precision and comfort. The ergonomic design enhances the overall filleting experience. In fact, the handle is so good that I'd gladly purchase a set if KastKing offers one. For anglers seeking a top-notch fillet knife that delivers on sharpness, size, and handle comfort, the KastKing 9-inch fillet knife is a definite winner.
W**T
Filet knife
Very nice knife. Perfect size for filets.
B**D
Item was as advertised and great price.
Items were delivered not damaged and delivered ahead of tracking date. Items were as described and useful. I will buy from vendor again.
D**M
Good quality handle, comfortable in hand
I’ve been very pleased with the feel of handle and the flex of the blade. The handle reminds me of a tennis racket type of grip and the material is somewhat soft. Certainly gives your hand something to hold onto which I like and you can maneuver the knife with confidence because of this design. Blade was very sharp out of the box and is as durable as you’d expect any knife in this price range as far as holding an edge. The knife sheath is hard plastic and very sleek. The knife clicks into place with a plastic knob holding the knife in the case by the handle. Unique design. Would definitely recommend
Trustpilot
1 week ago
2 days ago