Length: 4/ 100mm Total 16Pcs 4 Different
Type Tips: Hex Head Allen Wrench Torx Security Cross Phillips & Flat Head Slotted TipStrong magnetic can locked screws accurately high precision make no damage to the screw. Precision tip geometry delivers superior fitment reducing stripping and cam-out. All screwdriver bits are made of S2 alloy steel which is anti-impact and tough great wear resistant. 1/4-Inch hex shank widely used on electric screwdrivers hand screwdrivers cordless drills etc.