Best Divers' Knives & Shears for Fishing (2026)
We ranked models by blade steel and treatment, edge configuration, sheath design and retention, handle ergonomics for diving, and overall value
The Verdict
- Best Overall: Cressi Skorpion Divers' Knife with tempered blade — Best for tempered-blade durability: tempered steel blade and dive-ready features for regular saltwater use
This roundup covers divers' knives and shears suited for fishing and underwater work, focusing on cutting performance, corrosion resistance, and secure carry. Picks were chosen by comparing blade materials, edge types, sheath retention, and value across popular models
Top Picks
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1
Best Overall Cressi Skorpion Divers' Knife with tempered blade
Best for tempered-blade durability: tempered steel blade and dive-ready features for regular saltwater use
Diving knife with tempered AISI 304 steel blade, smooth and serrated edges, and wire cutter. One dual-edged blade design with a blunt/pointed tip option; includes a secure sheath. Customers note solid build and sharp edge, with some rust concerns after first use
- tempered blade
- dual-tip blade options
- integrated wire cutter
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2
Cressi Skorpion diving knife with dual-edge blade
Best for penetrating cuts: dual-edge blade for quick entry and efficient net or line cutting underwater
Diving knife with tempered AISI 304 steel blade, smooth and serrated edges plus a wire cutter. Features a pointed and blunt tip option and a 9.125 in total length; includes a secure sheath. Users note solid build and sharp edge, with some rust concerns after first use
- dual-edge blade with wire cutter
- tempered stainless blade
- two tip options (pointed/ blunt)
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3
Cressi Borg Long Blade Diver Knife
Best for longer reach: long blade profile with glove-friendly handle for spearfishing and deep-cut tasks
A modern, tempered 304 stainless steel dive knife with dual-edged blade and serrated section for line cutting. Ergonomic handle designed for secure grip with gloves; features a small technopolymer thumb tab separating blade and handle
- dual-edged straight and serrated blade
- ergonomic, glove-friendly handle
- temper and stainless steel construction
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4
Tanu Dive and Rescue Knife with Sheath
Best budget rescue option: compact stainless design with sheath that prioritizes line-cutting and emergency use
Divers' knife with blunt tip, 304 stainless blade and line cutter. Secure rubberized handle with finger stop for safety; versatile for diving, fishing, or paddling. Customers note rust resistance, solid build, but mixed grip/sharpness on arrival
- blunt-tip design for safety
- versatile blade (straight and serrated)
- secure grip with finger stop
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5
Tanu Dive and Rescue Knife with Sheath
Best for emergency cutting: dedicated line-cutter and sheath design focused on quick, reliable access
Dive-ready 304 stainless-steel knife with blunt tip for safe inflatables; includes line cutter and double-edge blade. Customers note rust resistance and solid build, with mixed feelings about grip and sharpness
- blunt-tip safety design
- multipurpose blade features
- secure rubberized handle
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6
Tanu Dive and Rescue Knife with Sheath
Best stainless all-rounder: balanced stainless blade and sheath combo for routine underwater cutting tasks
multipurpose 304 stainless-steel dive knife with blunt tip for safety; metal line cutter and double-edge blade for various tasks. customers note rust resistance and secure leg fit, with some concerns about grip and sharpness
- blunt tip prevents puncture risk
- dual-edge blade versatility
- surface-malt handle grip stability
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7
Tanu Dive and Rescue Knife with Sheath, 304 Stainless
Best premium stainless option: 304 stainless construction with robust sheath for corrosion resistance and durability
Diving knife with blunt tip and double-edged blade, mounted to dive gear for quick access. Durable stainless steel with rubberized handle and finger guard for safety; some users note grip is hard to pull out
- blunt tip for safety
- saltwater resistant stainless steel
- mounted dive-access knife