With this powerful crimper, you can crimp wires and butt connectors much easier. The crimper tool crimps AWG 12 to 2/0 size copper and aluminum wires using steel crimping dies. It features powder-coated jaws, a vinyl-dipped grip for comfort and control and a convenient on/off knob for simple ram retraction.FEATURES: Crimps 14 to 0 AWG copper and aluminum wires; Includes chrome-plated steel crimping dies; Dies can be used at multiple angles for easy crimping from any direction; On/off knob on handle for easy ram retraction; Vinyl-dipped grip for comfort and control; Powder-coated jaws