The Scubapro X-Cut Titanium TEK Knife is a multi-function knife made from Alpha (hardened) titanium and its 2.5" (6.3cm) specially designed Scubapro shaped blade maintains a highly durable cutting edge for lightweight, long life, corrosion free performance. The knife overall length is 5" (12.7cm) and the blade has a rounded tip with a serrated edge and a line cutter. The knife is equipped with an ergonomic handle design with an eyelet for attachment of a wrist lanyard. The low profile, hook and loop closure, soft protective sheath is designed specifically to fit on a tech harness waistband. Titanium combines durability, sharpness, hardness, strength, and abrasion resistance. This knife is 100% corrosion resistant.