The wire twisting tool expander suitable for all twisting tools, providing better twisting effect, help increase productivity and prevent sore fingers and cramping hands. The wire connector tool can not only be used with electric drill but can use manually. Features - Color: Silver. - Material: Carbon steel. - Size: 10.40 x 2.00 x 2.00cm/ 4.09 x 0.79 x 0.79 inch. - Spontaneously peel off the insulating coat of wires before twisting them. To get things done with the steps. - Wire stripper and twisting made of carbon steel with and high precision. - The operation is very simple, allowing you to turn the wire quickly and beautifully. - Start the electric drill, the speeds of the electric drill can't be too fast, the starting electric drill pull back, but push it slightly in the direction of the pliers. - Made of good material, not easy to be broken. withstand even under the harsh condition, this tool is not afraid of collision. Package list: 1 x Wire Stripper 2 x Screws