This is a "flexible rod" that can be attached to electric screwdrivers and impact drivers. With a freely bendable tip, it allows you to easily tighten and loosen screws in hard-to-reach, narrow spaces and angled areas. It's a convenient item that's useful in all kinds of situations, such as furniture assembly, wiring work, appliance repair, and automotive maintenance. Recommended for DIY enthusiasts, as well as professionals who want to improve their work efficiency. Designed with high flexibility and durability, it allows for safe operation while effectively transmitting power during use. Keeping one in your toolbox is very convenient when you need it!