United Cutlery Undercover Karambit Black With Sheath. This Karambit Knife from United Cutlery is features a plain edge blade made using a 420J2 stainless steel material that boasts amazing edge retaining abilities. The belt sheath that comes with the United Cutlery Black UC Karambit Knife allows you to easily access your knife when it is needed. Specifications for United Cutlery Undercover Karambit Tactical Knife - Black: Overall Length (inches): 6.50 Blade Length (inches): 3.31 Blade Material: 420J2 Blade Detail: Plain Edge Handle Material: 420J2 Stainless Steel Carry System: Belt Sheath Features of United Cutlery Undercover Knife w/ Black Karambit Blade: Karambit Blade Durable Long Lasting Reliable Package Contents: United Cutlery Undercover Karambit Knife w/ Sheath - Black UC1466B United Cutlery UC1466B: Undercover Karambit Black With Sheath