Package IncludeThe tool set includes 10 pieces of H2.5 hexagonal electric screwdriver bits, length 100mm High-quality materialsMade of high-quality S2 alloy steel material, black phosphate coating is corrosion-resistant and prolongs the life of the drill bit, strong anti-rust and anti-corrosion performance, high-temperature quenching treatment improves durability and service life Strong magnetic absorption of the headPrevent slipping, the head of the screwdriver is strongly magnetically treated, firmly adsorbs the screws, and reduces slippage during operation Design1/4 inch diameter hexagonal drive handle design, suitable for quick replacement brackets and all cordless screwdrivers. Easy to install and remove, not easy to fall during use Wide ApplicationSuitable for home DIY, woodworking, auto parts, professional machine repair, etc. Widely used in these hexagonal tools, such as pneumatic screwdrivers, electric screwdrivers, manual screwdrivers, etc. [Compatible] The hexagonal screwdriver set is compatible with tool models and can be used for various electric drills/electric screwdrivers/electric screwdrivers Specifications: Product type: H2.5 Product material: S2 alloy steel Length: 100mm Shank diameter: 6.35mm Waist length: 72mm Applicable equipment: hand drill, lithium electric drill, electric screwdriver, electric screwdriver Package included: 10 x Screwdriver Bits