The VESSEL 910HD-73 NMC-2P Bit Magnetizer/Demagnetizer Screwdriver Handle is a versatile tool that allows you to magnetize or demagnetize screwdriver bits with ease. This pack contains two handles, so you can keep one at home and one in your workshop or toolbox. The handle is made from durable materials and has a comfortable grip, making it easy to use. With the VESSEL 910HD-73 NMC-2P Bit Magnetizer/Demagnetizer Screwdriver Handle, you'll be able to quickly and easily switch between magnetized and demagnetized bits, depending on the task at hand. Whether you're a professional mechanic or a DIY enthusiast, this handy tool is a must-have for any toolkit.