Multi-Bit Screwdriver Tip Size #1 #2 1/4 in 3/8 in 5/16 in PH1 PH2 ST1/4 in ST3/16 in Tip Style Phillips Slotted Square Ball Bearing Ergonomic Bit Material Alloy Steel Bit Storage None Double End Magnetized Tip No Shank Length 2 1/16 in Shank Material Alloy Steel Drive Size 1/4 in 5/16 in 3/8 in ESD Safe No