Product Description: Advantages: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Wire twisting tools is made of durable cemented carbide, high hardness, not easy to break.4.The wire twisting tool specifications is 2.5-4 Square , 2/3/4/5 lines universal.5.The wire twisting tools works with electric drills, this tool can twist and wrap the wire at the same time, which can help to improve your work efficiency. Operation method:1. Install the wire stripper and twister on the handheld drill chuck and clamp it (Attentions: the drill must be turned clockwise).2. Pass the wire to be connected through the wire hole, and try to keep the height of the wire through the wire hole at the same level.3. Clamp all wires with wire cutters and keep the pliers and twisting tools as close as possible.4. When starting the electric drill, the speed of the electric drill should not be too fast. When starting the electric drill, it should not be pulled back, but should be gently pushed in the direction of the pliers. Specifications:Material: Cemented CarbideColor: Silver Size:Full Length: 90mm/3.54inchNumber of Parallel Lines: 2/3/4/5 LinesParallel Specification: 2.5-4 SquareWeight: 102g Package include:1 x Wire Twisting Tool2 x Screws