Made of high-quality steel. It integrates three major functions: wire stripping, edge trimming, and crimping terminals. Equipped with automatic adjustment jaws, it is very suitable for copper and aluminum cables of 10-22 AWG (0.5-6MM2). material: Plastic and padded grip, providing maximum leverage (PP and TPR), increasing comfort, reducing hand fatigue, and making the grip self adjustable. A wire stripping tool suitable for large or small operations. Specially designed and precision machined teeth that can be grabbed, fixed, pulled, and removed from the jacket with simple single handed movements; There is also a wire crimping tool (crimper) used for crimping insulated and uninsulated automotive ignition terminals. Crimp 10-22 AWG insulated terminals, 10-22 AWG uninsulated terminals, and 7-9mm ignition terminals. Please make minor adjustments when the nut slides or cannot peel off or damage the wire, Manufacturer: CUIchwWE