Toolcool 4 Pcs 4 Inch100mm Flat Head Slotted Tip Screwdriver Bit Set 14 Inch Hex Shank Magnetic 3mm 4mm 5mm 6mm Bits

The slotted screwdriver bits are made of S2 alloy steel, heat treatment, high hardness,not easy to wear, Magnetic bits can be firmly fixed on screwdrivers and keep screws stuck to them, improve your work efficiency, 1/4 inch (6.35mm) hex shank,fit for electric screwdrivers, hand screwdrivers, electric drills, 4 inch (100mm) long, One set Includes the most popular size:3MM 4MM 5MM 6MM