Multi-Bit Screwdriver Tip Size #1 #2 1/4 in 3/16 in R1 R2 T10 T15 Tip Style Phillips Slotted Square Torx Quick Change Ergonomic Bit Material Alloy Steel Bit Storage In Handle Double End Magnetized Tip Yes Shank Length 3 1/2 in Shank Material Alloy Steel Drive Size 1/4 in 5/16 in ESD Safe No