Best Divers' Knives & Shears (2026 Guide)
We selected knives and shears by combining average product rating, review volume, steel type, blade configuration, sheath design and user-oriented safety features
The Verdict
- Best Overall: Cressi Skorpion Divers' Knife with tempered blade — Best for spearfishing: tempered blade and practical cutting features suited to underwater tasks
This guide covers top-rated divers' knives and shears chosen for underwater cutting, line management and rescue tasks. Picks were selected by combining product ratings, review volume, materials, blade designs and user-focused features like sheaths and handles
Top Picks
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1
Best Overall Cressi Skorpion Divers' Knife with tempered blade
Best for spearfishing: tempered blade and practical cutting features suited to underwater tasks
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 mixed cutting tasks: dual-edge design offers both slicing and cutting control 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 reach and control: longer tempered blade with a glove-friendly handle for precise work
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 tool: stainless construction with a sheath and line-cutter for 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 compact rescue option: streamlined stainless design and sheath-mounted cutter for quick 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 corrosion-resistant choice: stainless-steel blade with reliable sheath and underwater cutting focus
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 heavy-duty stainless option: 304 stainless blade with sheath built for regular saltwater exposure
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