* Magnetic tips, can suck the screws easily when used it.* Easy to install on the Screwdriver handle of the bit shank.* Great replacement for missing, bent or broken cross head Screwdriver bits.* Made of S2 alloy steel, which is a commonly used material in hardware with high hardness.* Those bits fit for electric Screwdrivers, hand Screwdrivers, electric drills, air drills and so forth. Specifications:Shank Size: (Hex) 1/4-inchBit Type: SL6/PH2Total Length: 50mm / 1.97-inchMaterial: S2Package Content:10 x Screwdriver Bits.