This is a hydraulic crimper tool that can help you crimp wires and butt connectors much easier. Specialized to help you get the job done right! It features powder-coated jaws a vinyl-dipped grip for comfort and control and a convenient on/off knob for simple ram retraction. If you are looking for such product don't hesitate to buy it now! Secure and convenient tensioning Crimps AWG 6 to 600 MCM size aluminum and copper wire Wire cable crimping tools C shape crimping tool head with safety equipment manual hand operated. High speed hydraulic pressure working. Guaranteed quality with easy for operation. With safety valve inside for protecting crimping machine. Comes with crimping dies and plastic carrying box.