Multi-Bit Screwdriver Tip Size 0.9 mm 1.3 mm 1.5 mm 1/4 in 2 mm 2.5 mm 3 mm 4 mm 5 mm 5/16 in Tip Style Hex Quick Change Plain Bit Material Alloy Steel Bit Storage None Double End Magnetized Tip No Shank Material Alloy Steel Drive Size 1/4 in 5/16 in ESD Safe No