The Cold Steel Air Lite is feather light, at only 3.2 ounces, and ultra thin, at 8.8mm thick and designed for EDC (every day carry) when weight and bulk are considerations. The 3.5" blade is 3mm thick and made from premium Japanese AUS10A stainless steel that is known for holding an edge, strength and toughness. The G10 handles are laser cut for a precise, comfortable fit. The G10 material is resistant to extreme temperatures and moisture and is often used in diving knives. The Cold Steel Tri-Ad Lock system keeps your fingers safe during serious use.Specifications:Cold Steel Item Number 26WDAUS10A Japanese Stainless Steel BladeDrop Point BladeBlade Length 3.5"Blade Thickness 3mmOpen Length 8"Weight 3.2 oz4.5" G10 Handle with ambidextrous pocket clip