Utoolmart 40mm Long 4mm Dia Round Shank H3 Magnetic Hex Screwdriver Bits S2 High Alloy Steel 10 Pcs

These Screwdriver Bits are with magnetic design. Easy to install on the screwdriver handle with double ear on the sides of the bit shank. Great replacement for missing, bent or broken hex screwdriver bits. Superior Quality: Those Screwdriver Bits are made of S2 alloy steel, which is a commonly used material in hardware with high hardness. Ideal Magnetic Screwdriver - Those bits fit for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth