10PCS Hex Screwdriver Bit Set 100mm H4 TS2 Steel Magnetic Drill Bit for Electric Drill Screwdrivers •【Premium Material】Made of high-quality S2 alloy steel material,the black phosphate coating is corrosion-resistant and extends the life of the drill bit. It has strong rust and corrosion resistance,and high-temperature quenching treatment improves durability and service life. •【Head Strong Magnetic Absorption 】 To prevent slipping,the head of the batch is treated with strong magnetic force to firmly adhere to screws and reduce slipping during operation •【1/4 inch Hex Design】 1/4 inch diameter hexagonal drive handle design,suitable for quick replacement of brackets and all cordless screwdrivers. Easy to install and disassemble,not easy to fall off during use. •【Wide Application】Widely applicable for home DIY,woodworking,automotive parts,professional machine maintenance,etc. Widely used in these hexagonal tools,such as pneumatic screwdrivers,electric screwdrivers,manual screwdrivers,etc. •【Compatiblity】 This tool set includes 10 pieces of hexagonal electric batch heads H4,with a length of 100 mm. The hexagonal screwdriver set is compatible with tool models and can be used with various electric drills/screwdrivers/screwdrivers •Specifications: •Hexagon Head: H4 •Product Material: S2 Alloy Steel •Total Length: 100mm,Bit Thin Waist length: 72mm •Shank diameter: 6.35mm •Applicable equipment: Hand drills,lithium drills,electric screwdrivers,electric screwdrivers Package included: •10 x Screwdriver Bit Set •Other items not included