Best Divers' Knives & Shears of 2025

The SEAC Hammer Knife is an essential tool for divers, featuring a stainless steel blade that allows you to attract the attention of your companions easily. You can pull the knife from its sheath and tap the handle against your cylinder, ensuring you are noticed in emergencies. Its anti-slip grip, with a soft rubber overprint, provides enhanced safety, whether you are wearing gloves or using bare hands. The reversible fixing allows for convenient storage, letting you attach the sheath on either side for easy access when you need it most.

The SEAC Rapid Knife is perfect for scuba diving, freediving, and spearfishing enthusiasts. Its 4.13-inch stainless steel blade features both a smooth edge and a serrated edge, giving you versatile cutting options underwater. The handy small steel handle butt allows you to create noise by tapping it against your tank, ensuring you can easily attract the attention of fellow divers. Additionally, the sturdy scabbard can be attached to your belt or secured on your arm or calf with included straps, providing convenient access while you explore the depths.

The SEAC Bat Knife features a hardened AISI 420 stainless steel blade, making it ideal for underwater use. With a blade length of 115mm, it includes a thread on one side and serrations with a line cutter on the other, providing versatility for various tasks. The TPR coated handle ensures a secure grip, allowing you to handle the knife confidently even in wet conditions. Additionally, the durable hard shell with a one-handed release button makes it easy to access, ensuring that you are always prepared while diving.

The SEAC Rapid Daga Knife is perfect for divers seeking a reliable underwater tool. Its 10.5 cm stainless steel blade features both a smooth edge and a serrated edge, allowing you to tackle various tasks while diving. The small steel handle butt is handy for making noise by tapping it against your tank, ensuring you can communicate effectively with fellow divers. Additionally, the rigid scabbard can be easily attached to your belt or arm, providing convenient access to the knife whenever you need it.

The SEAC Samurai Knife is an essential tool for divers. It features a sheath made from shockproof plastic, ensuring the knife is safely stored and easily accessible. The blade includes both straight and serrated edges, giving you versatility for various cutting tasks underwater. Crafted from hardened and polished stainless steel, the blade offers maximum corrosion resistance, making it ideal for the marine environment. Additionally, the knife is available in different colours, allowing you to choose one that suits your style.

The Cressi Clean-UP Tool offers a compact cutting solution ideal for divers. You can easily mount it on your Gav, BCD, or jacket for quick access. Featuring a 420 surgical grade stainless steel blade, it ensures durability and sharpness, making it reliable for cutting tasks underwater. The fibre reinforced nylon body adds to its strength, allowing you to handle various cutting needs with confidence. As a technical diver, having this tool is essential for safety and efficiency during your dives.

The Cressi Vigo Knife is a reliable tool for divers, featuring a blade crafted from stainless steel, designed specifically for marine environments. This ensures durability and resistance to corrosion, making it ideal for underwater use. The knife also includes a sheath with a locking mechanism, allowing for easy one-hand release, which is especially convenient when you need quick access. Additionally, it comes with two standard straps to securely attach it to your leg, ensuring it stays in place during your dive.

The Wbestexercises Diving Cutter is crafted from high-quality PP and high carbon steel, ensuring durability and safety during use. This practical tool is perfect for separating ropes, seaweed, and fishing nets, making your underwater experience more convenient. With a sharp and wear-resistant blade, it promises excellent performance, allowing you to tackle tough materials effortlessly. The ergonomic handle is designed for stability and ease of use, ensuring that you can operate it without straining your hands.

The haihong Safety Knife is a high-quality tool designed for extreme sports enthusiasts. Its robust zinc alloy casing and stainless steel blades ensure durability and reliability, providing you with the confidence to tackle any situation. The ergonomic handle, featuring a sponge grip, allows for easy use even in intense conditions. Additionally, the convenient carrying case, made from tough 600D nylon, ensures that your knife is securely stored and easily accessible, making it a practical choice for diving, surfing, and other outdoor adventures.

The Cressi Borg Diving Knife is designed with modern divers in mind. Its large, futuristic design features a strong, tempered stainless steel blade that is both straight-edged and serrated, offering versatility for various tasks underwater. The small technopolymer thumb tab ensures a comfortable grip, allowing you to handle the knife easily. With a sheath featuring a locking mechanism, you can release the knife with just one hand, enhancing convenience when you need it most. Plus, the included straps make it simple to attach the knife securely to your leg.