【High Quality Materials】Made of High Quality S2 Alloy Steel Body, CNC Machined Tips, The Black Phosphate Coating Resists Corrosion and Increases the Life of the Bits, Strong Rust and Corrosion Resistance, The High Temperature Quenching Treatment Improves Durability and Life.
【Easy To Use】1/4" Hex-shank Quick Release, for Quick Change Holder and All Cordless Screwdrivers. Easy to Install and Disassemble, No Easy Drop During Use.
【Special Design】Strengthened Magnetic Impact Bit Helps You Easy Pick up Screws. The Magnetism Won't Decay after Repeated Uses.
【Wide Application】Suitable for Household DIY, Woodworking, Automobiles, Professional Machine Repair, etc. Widely Used With These Hex Bits Set for Air Screwdriver, Electric Screwdriver, Hand Screwdriver, etc.