Camillus Vortex 8" Folding Knife is made with Carbonitride titanium and AUS-8 Steel. Its Dual Thumbstud allows a sure grip. The G10 Handle includes a Lanyard Hole to secure the device safely. With a lifetime warranty, the Vortex 8" Folding Knife is up to 10 times harder than untreated steel, allowing the blades to stay sharper longer. Camillus knives will withstand the impossible task and continue delivering over extended use. Since 1876, Camillus Cutlery has been supplying the world with reliable, innovative, and quality-made knives that have survived the true test of time.