Boker Plus 03BO050 Sanyougo Knife with 3 3/8 in. 12C27 Steel Blade Ultimate outdoor companion Blade is 12C27 steel for ultimate sharpness Includes a leather sheath (without belt loop) Blade length: 3  in. Thickness: 2 mm. Overall length: 5  in. Weight: 2.5 oz. Limited Lifetime Warranty