GEAR AID Tanu Dive and Rescue Knife with Sheath - Secure Saltwater

In this review of the GEAR AID Tanu Dive and Rescue Knife the bottom line is simple: this is a practical, no-nonsense knife built for saltwater use and quick access on dive gear. It is best for divers, paddlers and anglers who need a compact blade that will not puncture inflatables and can be tethered securely to equipment. The single biggest reason to buy is the combination of a blunt tip 304 stainless blade with a quick-draining sheath, which makes it a reliable tool for cutting lines and acting as a tank banger without risking accidental punctures.

Key Features

• 304 stainless-steel blade: Resists rust in salt water so the knife stays serviceable on repeated outings.
• Blunt tip design: Prevents puncturing inflatables while still offering a useful cutting edge for safety tasks.
• Double edge blade: Straight and serrated edges cover both precision cuts and tougher fibrous lines.
• Rubberized handle: Provides a secure grip with a finger stop to reduce slippage in wet conditions.
• Quick-draining sheath: Drains water rapidly and includes a removable belt clip for versatile mounting options.
• Lanyard hole: Lets users tether the knife to gear to avoid losing it during dives or paddling.

Who It's For

The Tanu knife is aimed at recreational divers, kayak and paddleboard users, and anglers who need a compact rescue and utility tool that resists saltwater corrosion and reduces the risk of puncturing inflatables. The blunt tip and quick access mounting make it especially suited to those who carry integrated knife mounts or prefer a leg-mounted option.

Those who want a razor-fine out-of-the-box edge or expect heavy prying and extreme mechanical abuse should look elsewhere, as some customers report mixed sharpness and occasional durability issues. For most water sports enthusiasts the Tanu covers the common tasks of cutting lines and performing basic safety strikes underwater.

Pros & Cons

Pros

• Corrosion-resistant 304 stainless steel performs well in salt water environments.
• Blunt tip reduces risk to inflatables while still allowing effective cutting with both straight and serrated edges.
• Secure rubberized handle with finger stop for a confident grip when wet.
• Sheath drains quickly and has a removable belt clip for flexible mounting.

Cons

• Some units arrive with a less-than-ideal factory edge and may need sharpening before use.
• A few customers have reported durability concerns, so inspect the knife and sheath on arrival.

Specifications

Brand	GEAR AID
Blade material	304 stainless steel
Tip type	Blunt tip (non-puncturing)
Blade edges	Straight and serrated (double edge)
Handle	Rubberized with finger stop
Sheath	Quick-draining with removable belt clip
Mounting	Can be tethered; available as kit with B.C.D. Adaptor Plate

Our Verdict

The GEAR AID Tanu is a sensible, well-focused dive and rescue knife for most recreational water users who need a corrosion-resistant, blunt-tip tool for cutting lines and performing safety tasks. It offers good value for those prioritizing saltwater performance and secure mounting, though buyers should be prepared to sharpen the blade and check for defects on arrival.

Frequently Asked Questions

Is the blade rust resistant?
Yes, the blade is 304 stainless steel, which is chosen for saltwater corrosion resistance.

Will the blunt tip cut rope and webbing?
Yes, the double edge with straight and serrated sections handles both fine and tougher lines while the blunt tip avoids puncturing inflatables.

Can it be mounted to a B.C.D. or inflator hose?
Yes, the knife is sold on its own or as a kit with a B.C.D. Adaptor Plate to attach to integrated mounts or inflator hoses.