Utoolmart 1/4 Inch Hex Shank Magnetic H4 Screwdriver Bits 50mm Length S2 Steel Hexagon Allen Wrench Drill Bit Sand Blasting Power Tool for Production Workshop 5pcs

[High Quality Material ]Screwdriver Bits are made of S2 alloy steel which is anti-impact and tough, great wear resistant [ Size ] Hex Tip Size: 4mm; Overall length: 50mm; Shank Dia: 1/4 Inch [Easy To Use] Magnetic hex bit set, it can be firmly fixed on screwdrivers and keep screws stuck to them, can improve your work efficiency [Widely use] With 1/4 inch hex shaft, they are widely used on electric screwdrivers, hand screwdrivers, cordless drills, electric drills, air drills power drill etc [Easy To Install on the Screwdriver ] - Great replacement for missing, bent or broken Hex screwdriver bits., Manufacturer: Utoolmart