Using high quality tool steel manufacturing accurate wire stripping knife hole - Processed w/ super fine grinding sharp tangential knife edge; Can cut wire easily preventing the wire from damage caused by unsharpened blade - Spring -loaded automatic opening to prevent it hurting human body due to jaw opening - Sharp stripping hole can quickly stripped wire skin while not hurt the line core. - Range of application: wires collective box home appliance wires automotive circuit wires of radio and fax machines DIY wires and others and so on. - Fine workmanship good quality high precision durable and comfortable. - Allows you to use more convenient and faster an essential tool for you to repair in daily life.