Hegebeck Hex Shank Screwdriver Bit T30 S2 Steel Screwdriver Drill Bit Drive Guide Bits Long Handle Drill Bits for Screwdriver, Hand Drill or Electric Hammer -

The screwdriver bit is made of S2 steel,which is durable and hard.And it s surface has been redness.Precisely machined chamfered ends for smooth insertion, engraved size markings on bits and storage box for hassle-free switching and easy identification of bits.The screws drive guide eliminates wobbling and slipping while driving screws.The screw driver bit fits for electric screwdrivers, hand screwdrivers, electric drills, air drills and so forth.2pcs x Hexagonal Screws Drive Guide Bit