The E10-1 features a sculpted frame in aircraft grade aluminum, hard-anodized to military specs, and inlaid with a beautiful piece of cocobolo wood. The blade is D2 German tool steel, one of the most storied and respected steels in the modern history of cutlery. The pocket clip and fittings are crafted from stainless steel and titanium., MATERIALS & ARTISTRY, Black coated D2 steel, T6061 aluminum alloy, Cocobolo, FEATURES & SPECS, One-hand button lock system, Stainless steel pocket clip, Dimensions:, Blade 3.50 (88.9mm), Handle 4.13 (104.9mm), Overall open 7.50 (190.5mm)