Dragon Squama Dive Knife - Tactical,Hunting,Survival Black Scuba Diving Sharp Blade Knives with Line Cutter,Razor Edge,ABS Sheath and Adjustable Leg Elastic Strap.(black ABS) 440C steel Overall length: 8.26 3.74" 440C steel Black Stainless Steel Blade,NEVER rust. Black impact-resistant ABS sheath/holster. Water drain hole handle design with nylon string. Sheath for Leg,Arm,BCD.