uxcell 5pcs 50mm Long 1/4" Hex Shank H2.5 Hex Screwdriver Bits S2 High Alloy Steel Shank Size: 1/4inch; Total Length: 50mm / 1.97inch; Bit Type: H2.5; Finish: Sandblasting; Material: S2 Package Content: 5 x Hex Screwdriver Bit These Screwdriver Bits are with magnetic design. 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.