Victorinox Fibrox Pro 7-inch Flexible Fillet Knife

The Victorinox Fibrox Pro 7-inch flexible fillet knife has just the right amount of flex, without being overly yielding. It glides through fish to separate flesh from bone and skin, and it is just as useful for boning out poultry, pork and other meats.

The flexible blade bends along the backbone and over the rib cage, so the fillet comes away whole and very little meat stays on the frame. On the skinning pass, the flex keeps the edge flat against the skin.

To fillet, cut behind the gill plate to the backbone, turn the blade toward the tail and draw it along the spine in long, smooth strokes. Let the blade bend rather than forcing it.

For a firmer blade, see the Fibrox Pro 7-inch Semi-Flexible Fillet Knife. For the most bend, the Fibrox Pro 7-inch Super Flexible Fillet Knife. The wood-handled version is the Hardwood 7-inch Flexible Fillet Knife. The table in the Details compares the fillet knives.

SKU: 5.3703.18

Availability: In stock

$43.00
  • Details

    Specifications

    • Series: Victorinox Fibrox Pro
    • Type: Fillet knife
    • Blade length: 7 inches (17.8 cm)
    • Blade shape: Narrow fillet blade
    • Edge: Straight (plain) edge
    • Blade: stamped high-carbon stainless steel
    • Hardness: 56 HRC
    • Handle: Fibrox Pro thermoplastic elastomer (TPE), black, textured and slip-resistant
    • Flex: Flexible
    • Certification: NSF certified for commercial kitchens
    • Made in: Switzerland
    • Warranty: Victorinox lifetime warranty against defects in material and workmanship
    • Model number: Victorinox 5.3703.18 (US item 40710)

    Victorinox Fillet Knives

    Semi-flexible blades are firmer for thick fillets and boning work; flexible and super flexible blades bend to follow the frame of thin and flat fish. Our Kitchen Knife Shapes guide explains each shape, and the full range is in our Victorinox fillet knives category.

    KnifeBladeFlexHandle
    Fibrox Pro 6-inch Semi-Flexible Fillet Knife6 in.Semi-flexible, upswept tipBlack Fibrox Pro
    Fibrox Pro 7-inch Semi-Flexible Fillet Knife7 in.Semi-flexible, upswept tipBlack Fibrox Pro
    Fibrox Pro 7-inch Flexible Fillet Knife7 in.FlexibleBlack Fibrox Pro
    Hardwood 7-inch Flexible Fillet Knife7 in.FlexibleHardwood (formerly Rosewood)
    Fibrox Pro 7-inch Super Flexible Fillet Knife7 in.Super flexibleBlack Fibrox Pro
    Fibrox Pro 8-inch Semi-Flexible Fillet Knife8 in.Semi-flexibleBlack Fibrox Pro
    Fibrox Pro 8-inch Flexible Fillet Knife8 in.FlexibleBlack Fibrox Pro

    Choosing a Handle

    Victorinox fits the same Swiss blades to several handles, so a shape you like can be chosen in the grip that suits your work.

    HandleMaterialCareWho it suits
    Black Fibrox ProTextured TPE, slip-resistant when wetDishwasher safe per Victorinox; hand washing protects the edgeCommercial kitchens, processing rooms and home cooks who want an easy-care grip
    Colored Fibrox ProThe same TPE handle in red, blue, yellow or greenSame as black Fibrox ProKitchens that assign knives to food groups under a HACCP color-coding plan, and anyone who wants a knife that is easy to spot
    Fibrox Pro Dual GripTwo-component, non-slip handle that supports the hand and wristSame as black Fibrox ProCutters who work for hours at a time and want more support for the hand and wrist
    Hardwood (formerly Rosewood)Modified maple stained in the traditional rosewood colorHand wash onlyButchers and cooks who prefer the feel and look of a wood handle

    Keeping the Edge

    Victorinox steel at this hardness takes a fine edge quickly and responds well to honing. A few light strokes on a honing steel during a work session keep the edge aligned; sharpen on a stone or a guided sharpener when honing no longer brings it back. Our Honing Rod Guide compares regular, fine and polishing cuts, and the Victorinox 12-inch fine cut honing steel suits these blades.


    Care

    Additional Info

    Blade Length (Inches) 7 in.
    Blade Length (mm) 180 mm
    Blade Width (inches) No
    Grind 50/50 Bevel
    Steel Type Martensitic Stainless Steel
    Rockwell Hardness 56
    Stainless Yes
    Handle Material Fibrox
    Spine Thickness (mm) No
    Brand Victorinox
    Country of Manufacture Switzerland
    SKU 5.3703.18
    Manufacturer's Part Number 40710
    Manufacturer's Suggested Retail Price $43.00

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