This wire twister and stripper tool is a game - changer for electrical work. Compatible with U.S. wire specifications of 8/10/12/14 AWG, it can significantly improve work efficiency by up to 30 times. The tool is made from high - quality zinc alloy, offering excellent hardness, wear, and heat resistance. It comes in a set of 10 pieces, including 5 wire strippers, 2 wire twisters, a hexagonal tool for blade replacement, a storage box, and an instruction manual. To use, simply attach it to most drills via a 1/4 - inch chuck. It quickly strips wire insulation with the drill, and the wire sheath rotates along the groove without harming the wire core. The wire twisting function can connect 2 - 5 wires in just 10 seconds. Whether you're a professional electrician or a DIY enthusiast, this tool is perfect for various electrical projects, providing a safer, faster, and more efficient way to handle wires. Material: Steel.