Feature: The keychain extension rod is made of aluminum alloy, and the interior is not completely empty. It can be fitted with a short bit or a long bit. This keychain has a flat, thick and round design, which makes it easier to take the product and change the bit with one hand. Wire Twisting Tools:Simplifies your wire with this Wire Twisting Tool. Perfect for automotive applications, it allows you to strip and twist wires simultaneously, ensuring reliable electrical Say goodbye to manual wire twisting struggles. This Wire Twisting Tool effortlessly twists wires in seconds, allowing you to complete your tasks quickly and safely. Improve your electrical work with this innovative tool. Designed for electricians and DIY enthusiasts, this Wire Twisting Tool simplifies the process of connecting wires. Whether you're working on professional projects or home improvement tasks, this tool will make your work easier and more efficient.DIY Supplies: ELECTRICAL Application: Wire Stripper Material: Carbon Steel Features: MiniHandle Style: Straight Wire Twisting Standard: 1.5-6 universal square/2-7 wire Bit holders: Suitable for use with 1/4 inch (6mm) standard hex shank. Package Including 2pcs x Wire Twisting Tool 12pcs x Bit holders Keychain 2pcs x Black Carabiner