Tronic 12-in-1 Ratchet Screw Driver is a handy tool that really speeds up the process of installing or removing screws. The screwdriver eliminates the need to continuously reposition your wrist with every turn of the screwdriver. It has up to 12 different changeable magnetic screw bits to make it convenient when working with different types of screws. It also has an inbuilt compartment where all the bits are stored for safekeeping.Auto lock, fast charge, one hand charge bit locks virtually any 1/4 inch hex shank fittings.Ratchet design breaks through steering limitations, convenient forward and reverse ratchet switch and lock position. Durable two-material handle with soft grip. Ergonomic handle with non-slip grip for a comfortable grip and increased torque power.The 12-in-1 ratchet screwdriver secures virtually any 1/4-inch hex shank attachment firmly, meeting your multipurpose needs.