AMAZING!!! Magnetic bits. in the installation can easily absorb screws. Toughness is good. hard to rupture and wearproof. It made of high-strength S2 Chrome Plated Alloy Steel. very durable. Suitable for installation in pneumatic screwdrivers. electric screwdriver. rechargeable drill. using the wind batch. Widely used power tools. electric screwdriver assembly. electronics industry. household appliances. precision instruments industry. furniture industry screw equipment. PRODUCT DESCRIPTION: Heat-treated to resist breakageand wear. Shock resistant tool steel formaximum durability. Match with any power drill andcordless drill. Superior Magnetic Strength. Straight and Fast. Versatile Use. Specifications: Material: S2 Steel. Type of shank: 6.35mm / 1/4 inch hex. Overall length.: 65mm. PackageInclude: 5pcs Single Head Magnetic Screwdriver. Notes: Pleaseallowsomeslightmeasuringdeviationduetomanualmeasurement. Due to the different monitor and light effect. the actual color of the item might be slightly different from the color showed in the pictures.