Copper Tube Fittings Hydraulic Pipe Crimping Tools Kit JawKey Features High quality Material: It is made of high quality steel with a plastic painted surface, which is hard, rust proof, comic sans ms resistant, and wear resistant, ensuring a long service life. Convenient to Operate: The small head can fit some narrow and troublesome places, making it especially suitable for u shaped joints. Labor saving Operation: Compared to traditional manual crimping tools, this pipe crimper uses a hydraulic cylinder that