The Camillus 9" CUDA- Carbonitride Titanium Folding Knife features a Quick Release and G10 Handle. The blade is AUS-8 Japanese Steel and Carbonitride Titanium which won't flake, blister, chip or peel and is up to 10x harder than untreated steel so the blades stay sharper, longer. Hollow ground blade. Quick-action blade release. 3.75" hollow ground blade. Ergonomic G10 Fiber handle. Lifetime Warranty.