Rips Romex wire outer jacket cleanly and quickly. Clips outer sheathing to remove excess Romex wire jacket. Strips inner conduit wires. Looping holes loop wire for screw-on connections. Twist-AssistTM tightens most popular sizes of winged twist-on wire connectors. Injection molded elastomer grip provides a comfortable, slip resistant grip. Strip length measuring scale allows for quick and easy measurements. Conveniently fits in your pocket.