What steel is in the Victorinox Fibrox Pro Boning Knife Straight Narrow VN5640315BK?

The VN5640315BK uses Victorinox's proprietary high carbon stainless steel, ice-tempered for hardness and laser-tested for edge consistency at the factory in Switzerland. Ground at 15 degrees per side, it is thinner and finer-cutting than most German-made boning knives at this price. The high carbon content holds a working edge through extended butchering sessions; the stainless composition resists corrosion in wet kitchen environments without the maintenance carbon steel requires.

Is the Victorinox Boning Knife VN5640315BK made in Switzerland?

Yes. The VN5640315BK is manufactured in Switzerland by Victorinox, who have produced professional kitchen knives there since 1884. Every blade is ice-tempered and laser-tested for edge geometry before leaving the factory. Swiss manufacture is not a marketing claim on this knife -- it is the production standard that makes Victorinox the most commonly issued brand in culinary schools worldwide.

Is the Victorinox Boning Knife VN5640315BK flexible or rigid?

The VN5640315BK is a straight, rigid narrow boning knife -- it does not flex. This is the right choice when you need the blade to hold its line precisely: portioning fish fillets, deboning chicken breasts, removing silverskin from a tenderloin, or any flat precision cut where blade deflection would cost you meat or accuracy. If your work involves navigating hip joints, shoulder sockets, or curved rib contours, the Victorinox Narrow Flex boning knife is the better tool for that application.

Is the Victorinox Fibrox handle on the VN5640315BK NSF certified?

Yes. The Fibrox handle is NSF-certified for commercial kitchen use -- the handle material and seamless bolster-to-blade transition meet food safety standards for sanitation with no crevices for bacterial accumulation, and it is rated for repeated high-temperature dishwasher cycles. This is the reason Victorinox Fibrox knives are the most commonly issued blades in NSF-required commercial kitchen environments and culinary school programs.

What is the blade length and overall length of the Victorinox VN5640315BK?

The VN5640315BK has a 6.00-inch blade with an overall length of 11.50 inches. The narrow straight profile keeps the blade tip precise and responsive without the width of a standard boning knife getting in the way on tight cuts. At approximately 2.40 oz, it is light enough for extended use without hand fatigue, and the Fibrox handle's ergonomic taper keeps grip consistent through long butchering sessions.

What is the difference between the Victorinox Straight Narrow and the Narrow Flex boning knife?

Both knives share the same Swiss-made high carbon stainless blade steel, NSF-certified Fibrox handle, 15-degree hollow grind, and 6-inch narrow profile. The difference is blade flexibility. The Straight Narrow (VN5640315BK) is rigid -- the blade holds its line, making it the right choice for flat precision work: fish fillets, chicken breasts, tenderloins, silverskin removal. The Narrow Flex (VN6841315) has enough give to bend around bone contours -- the right choice for hip joints, shoulder sockets, rib cages, and wild game processing. At $21.95 vs. $37.99, the Straight Narrow is also the more affordable entry into the Victorinox Fibrox Pro boning lineup.

Spyderco Skoli Fixed Blade - 4.68" 9Cr18MoV Black Oxide Modified Sheepfoot Plain Edge Blade, Black G-10 Handle - FB53GPBK

SKU: FB53GPBK

Spyderco Knives

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Overview
Warranty Information

Product Description

When a custom knifemaker designs his own outdoor knife from real hunting and camping experience, the result isn't a concept exercise — it's field-proven geometry built to solve actual problems. The Spyderco Skoli is Kevin Smock's full-tang fixed blade: a centered, utilitarian platform engineered for all-purpose outdoor work with a grip that holds under pressure and a blade profile that stays useful from field dressing to camp prep.

The Skoli's blade is crafted from 9Cr18MoV stainless steel — a high-chromium, molybdenum-vanadium alloy that delivers solid corrosion resistance and dependable edge retention without the sharpening difficulty of higher-alloy premium steels. That makes it a smart choice for a knife that lives in packs, kits, and sheaths rather than display cases. The modified sheepfoot profile keeps the tip well-centered and structurally strong, while the flat grind geometry minimizes drag through material and maintains predictable cutting behavior across a wide range of tasks. On the FB53GPBK, a black oxide coating eliminates the blade's reflective signature entirely — a deliberate design decision for hunters, backcountry users, and anyone operating in low-profile environments. All black-coated handle hardware completes that signature.

Key Features:

• Blade: 9Cr18MoV stainless steel · flat grind · modified sheepfoot profile · black oxide finish · plain edge · 4.68" blade / 3.95" edge / 0.15" thickness
• Handle: Contoured black G-10 scales with precision-machined high-traction checkered texture; single front quillon (guard) for a positive hand stop; black-coated hardware throughout
• Grip Security: Full tang construction; jimping on the spine for forward thumb traction; quillon guard prevents forward hand migration under load
• Carry System: 5.2 oz total weight; custom-molded snap-fit Boltaron® sheath; G-Clip™ mount for angle-adjustable belt and IWB carry

Ideal For: Hunters and backcountry campers who need a corrosion-resistant full-tang fixed blade for field dressing, food prep, and camp utility. The non-reflective black oxide finish and IWB-capable G-Clip™ sheath also make it the right call for hunters who need a low-profile belt knife and outdoor EDC users who want a capable, concealable fixed blade carry option.

Smock's field experience is designed into every curve of this blade — this isn't a range knife dressed for hunting season; it's a purpose-built outdoor tool from a maker who carries and uses fixed blades in the field. Order the Spyderco Skoli Fixed Blade FB53GPBK at Knifeworks.com and get the legendary service and same or next business day shipping from Columbia, Louisiana that Knifeworks is known for. Questions? Call us at 888-225-9775 — we carry and use these knives ourselves.

Specifications:

Product Type	Fixed Blade
Product Brand	Spyderco
Model	Skoli
Item Number	FB53GPBK
Overall Length	9.32 in (237 mm)
Blade Length	4.68 in (119 mm)
Blade Thickness	0.15 in (3.8 mm)
Blade Material	9Cr18MoV Stainless Steel
Blade Grind	Flat
Blade Style	Modified Sheepfoot
Blade Edge	Plain Edge
Blade Grind	Full-Flat
Blade Finish	Black Oxide
Handle Material	G-10 (Checkered (High-Traction))
Handle Finish	Black
Tang Type	Full Tang
Guard	Single Quillon (Front)
Knife Weight	5.2 oz (146 g)
Sheath	Boltaron® custom-molded snap-fit sheath with G-Clip™ mount
Carry Options	Angle-adjustable belt carry; inside-the-waistband (IWB) carry
Origin	China
Warranty	Spyderco manufacturer warranty against defects in materials and workmanship
Blade Range	4-4.99
Designer	Kevin Smock

Warranty Information

Spyderco manufacturer warranty against defects in materials and workmanship

Product Videos

Custom Field

Product Type Fixed Blade

Product Brand Spyderco

Model Skoli

Item Number FB53GPBK

Overall Length 9.32 in (237 mm)

Blade Length 4.68 in (119 mm)

Blade Thickness 0.15 in (3.8 mm)

Blade Material 9Cr18MoV Stainless Steel

Blade Grind Flat

Blade Style Modified Sheepfoot

Blade Edge Plain Edge

Blade Grind Full-Flat

Blade Finish Black Oxide

Handle Material G-10 (Checkered (High-Traction))

Handle Finish Black

Tang Type Full Tang

Guard Single Quillon (Front)

Knife Weight 5.2 oz (146 g)

Sheath Boltaron® custom-molded snap-fit sheath with G-Clip™ mount

Carry Options Angle-adjustable belt carry; inside-the-waistband (IWB) carry

Origin China

Warranty Spyderco manufacturer warranty against defects in materials and workmanship

Blade Range 4-4.99

Designer Kevin Smock

Product Reviews

Spyderco Skoli FB53GPBK — Frequently Asked Questions

What steel is used in the Spyderco Skoli FB53GPBK?

The Spyderco Skoli FB53GPBK uses 9Cr18MoV stainless steel — a high-chromium, molybdenum-vanadium alloy that provides solid corrosion resistance and reliable edge retention. It’s well-suited for outdoor and hunting use where the blade will encounter moisture and hard use conditions.

What type of sheath does the Spyderco Skoli come with?

The Spyderco Skoli comes with a custom-molded, snap-fit Boltaron® sheath and a G-Clip™ mount that supports angle-adjustable carry on the belt and inside the waistband (IWB). Boltaron is a rigid thermoplastic sheeting material comparable to Kydex — durable and field-reliable.

Who designed the Spyderco Skoli?

The Spyderco Skoli was designed by Kevin Smock, an American custom knifemaker who drew on his own extensive hunting and camping experience. The modified sheepfoot profile, grip security features, and G-Clip carry system are all direct reflections of field-tested design decisions.

What is the blade profile of the Spyderco Skoli?

The Spyderco Skoli uses a modified sheepfoot blade profile with a flat grind. The sheepfoot keeps the tip well-centered and structurally strong — well-suited to outdoor tasks where tip strength and slicing ability matter more than piercing.

Is the Spyderco Skoli FB53GPBK a full tang knife?

Yes. The Spyderco Skoli is a full tang fixed blade — the steel runs the full length of the handle, flanked by precision-machined G-10 scales. Full tang construction provides maximum structural integrity for hard outdoor use, batoning, and heavy camp tasks.

What is the overall length and weight of the Spyderco Skoli?

The Spyderco Skoli FB53GPBK has an overall length of 9.32 inches (237 mm) and weighs 5.2 oz (146 g). Blade length is 4.68 inches (119 mm) with a usable edge of 3.95 inches (100 mm) and a blade thickness of 0.15 inches (3.8 mm).

Where is Knifeworks located and how fast do they ship?

Knifeworks is located in Columbia, Louisiana and ships same or next business day on in-stock orders. Call the team at 888-225-9775 — they carry and use these knives and can answer product questions before you buy.