Multi-Bit Screwdriver Tip Size #1 #2 3 mm 4 mm 5.5 mm 6.5 mm T10 T15 T20 T8 Tip Style Phillips Slotted Square Torx Xeno Quick Change Ergonomic Bit Material Alloy Steel Bit Storage Separate Case Single End Magnetized Tip No Shank Length 4 1/2 in Shank Material Alloy Steel Drive Size 1/4 in ESD Safe No