Benchmade Osbourne Design BK1-Coated Rift Knife with Black G10 Handle and Axis Lock Blade Length: 3.67-Inch Overall Length/Closed Length: 8.27-Inch/4.60-Inch Blade Material/Hardness: 154CM Stainless Steel/58-61HRC Blade Style: Reverse Tanto, Ambidextrous Thumb-Studs