Victorinox Fibrox 8-Inch Fillet Knife
- 8 inch flexible blade, plain edge
- Stamped stainless steel blade
- Non-slip black Fibrox handle in thermoplastic rubber
- 3.2 ounces, 15 inches overall
Last refreshed Oct 3, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A light, stamped, flexible fillet knife with a non-slip handle, aimed at fresh fish. The listing offers no warranty or care guidance.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B0019WUGRKModel: 5.3763.20BKCategory: Fillet Knives
Overview
A home cook turning fresh fish into fillets gets a sharp and flexible stainless blade here, stamped rather than forged, with an ergonomic non-slip Fibrox handle. The Victorinox knife is described as a professional fish filleting tool.
Flexibility is what lets the blade follow bone and skin, and the grippy handle gives agility with wet hands. Stamping makes the knife light but leaves out a bolster. The data does not give warranty or cleaning steps.
Who it's for
Home cooks and anglers who fillet fish regularly and want a flexible blade with a grippy rubberized handle. Those who prefer a stiff boning blade or a heavier forged build should look at other knives.
Pros and cons
- Flexible blade follows bone
- Non-slip Fibrox handle
- Light stamped build
- Plain edge for smooth slicing
- Warranty and care not listed
- Flex rating not quantified
Performance notes
A flexible blade bends along the backbone and under the skin, so the edge stays close to the bone while cutting. The handle is textured thermoplastic rubber and resists slipping when wet. A stamped blade carries little weight, so control comes from the hand.
Where it stands among fillet knives
- #1 most-searched brand and model of the 15 fillet knives lines we track (by search demand, not sales).
From the specs of the 85 fillet knives we list; not a test result.
Specifications
| Model | 5.3763.20BK |
|---|---|
| Dimensions & fit | |
| Item Length | 15 incheshigher than 88% of 35 fillet knives |
| BladeLength | 8 inches |
| Weight | 3.2 ounces |
| Construction & materials | |
| Blade Material Type | Stainless Steel |
| Construction Type | Stamped |
| Handle Material | Thermoplastic Rubber |
| Color | Black |
| Blade Color | Silver |
| Included components | |
| Included Components | Fillet Knife |
| Other details | |
| Blade Edge | Plain |
Closest rivals on specs
Dexter SG133-8EG Fillet Knife- Item Weight 0.2 vs 0.3 pounds (-33%)
WÜSTHOF Classic 8" Flexible Fillet Knife- Item Weight 0.2 vs 0.18 pounds (+11%)
- Item Length 15 vs 12.2 inches (+23%)
Frequently asked questions
Does the Victorinox Fibrox fillet knife need any setup?
No. It is a single stamped knife and the listing gives no assembly or sharpening steps.
Is the Victorinox Fibrox 8 inch fillet knife flexible?
Yes. The title and description both call the blade flexible.
Is the Victorinox Fibrox fillet knife forged?
No. The construction type is stamped.
Is the Victorinox Fibrox 8 inch fillet knife dishwasher safe?
The listing gives no care instructions, so check with the seller before machine washing.