12Pcs T40 Torx Screwdriver Bit With 1/4" Hex Shank 25Mm Length S2 Steel, Black

The screwdriver bits are made of specially heat-treated S2 steel with high strength and hardness (HRC58-62), durable and anti-bending, and the surface is blackening treatment for enhanced grip and corrosion resistance The hex drill bit specifically designed for driving screws into wood, metal, and other materials effortlessly. Can accurately tighten screws without damaging screws and screwdriver bits. 1/4" hex shank driver bits can be used with electric screwdrivers, manual screwdrivers, electric drills, etc. for electricians, mechanical repair work, and furniture installation. Make sure the screwdriver bit is firmly inserted into the power tool chuck before operation. Avoid using excessive force when tightening the screws to prevent the bit from being damaged or slipping out. Store the screwdriver bit in a dry place to prevent rust and maintain its performance.