Multi-Bit Screwdriver Tip Size #1 #2 #3 3 mm 4 mm 5 mm 5.5 mm 6 mm TR10 TR15 TR20 TR25 TR30 Tip Style Hex Phillips Pozidriv Slotted Tamper Resistant Torx Quick Change Ergonomic Bit Material Alloy Steel Bit Storage Separate Case Single End Magnetized Tip No Shank Material Alloy Steel Drive Size 1/4 in ESD Safe No