IST Sports Spearfisher’s Knife K26

A durable, full-tang dive knife designed for versatility, featuring dual cutting edges and rugged construction for a range of underwater tasks

By Scuba Diving Partner | Published On April 1, 2026

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IST Sports Spearfisher’s Knife K26 dive knife with serrated and smooth blade

This rugged, dual-edge dive knife delivers reliable cutting power for spearfishing and underwater tasks.

Courtesy of IST Sports

The IST Sports Spearfisher’s Knife K26 features a sleek profile that combines durability, cutting performance and versatility for a wide range of underwater applications. Its dual-edged, full-tang blade includes a 5-inch smooth cutting surface alongside a serrated edge with a barb, making it well-suited for handling catches and cutting through entanglements.

Constructed from corrosion-resistant 420J2 stainless steel, the blade is built to withstand harsh marine environments and includes a metal pommel for added functionality. The knife comes with a durable plastic sheath and two straps for secure, convenient mounting.

Why We Love It

A versatile cutting tool capable of handling everything from fishing tasks to emergency line cutting underwater.

Pricing:

$100

Learn more at istdivingsystem.com