1The magnetic heads of the bits can be firmly fixed on the screwdriver, so you can use it securely, don't worry about them slipping from the screwdriver1 2PH2 bits are suitable for home screws and major electrical appliances 3Adopt advanced alloy steel, induction hardening or inductive hardening, has a hardness of hrc58-62, great wear resistance 4 It is useful to operate electronic device, perfect for electrician, mechanic and repair work 5With 1/4 Description: These screwdriver bits are made of high quality S2 material which is durable, anti-impact and tough. With 1/4 inch hex shaft, they are widely used on electric screwdrivers, hand screwdrivers, electric drills, etc. Get this set and make your life easier. Features: The magnetic heads of the bits can be firmly fixed on the screwdriver, so you can use it securely, don't worry about them slipping from the screwdriver. PH2 bits are suitable for home screws and major electrical appliances. Adopt advanced alloy steel, induction hardening or inductive hardening, has a hardness of hrc58-62, great wear resistance. It is useful to operate electronic device, perfect for electrician, mechanic and repair work. With 1/4" hex shank, they are widely used on electric screwdrivers, hand screwdrivers, electric drills, etc. Specifications: Material: S2 titanium coating The head type: PH2 Handle: hexagonal handle Hexagonal handle diameter: 6.35mm / 1/4" Screwdriver length: 25mm/0.98inch Quantity: 10 Is it magnetic: yes Package included: 10x Screwdriver Bits Notes: PH2 is suitable for household screws and major appliances. Do not turn the screws with unmatched size, in caseboth screw and bit damaged.