Not only can you use the bits on your hand tools,but you can easily insert them into any 1/4âł hex shank power drill. Main Features Magnetic Hex Bits are made of high-quality heat-treated solidS2 steel, durable enough for industrial use.They have enough toughness and twisting force to keep the tips from breaking and fraying. With magnetism,it can firmly adsorb the screws, preventing the screws from falling and losing.The magnetic tip enhances the connection to the screw to ensure a secure grip, it minimizes screw wear and improves work efficiency. Every edge of this hex bit set can precisely lock the screw without damaging the screw or screwdriver bit.1 set of 8 specifications to meet your needs for screwing various sizes of hexagon socket screws! Suitable for electric screwdrivers, manual screwdrivers, electric drills, and air drills.Ideal for working on motorcycles, bicycles, and furniturefor easy furniture and equipment repair and disassembly. Specifications