Power Bit, Application - Tools Impact, Bit Style Square, Fastening Tool Tip Size S1/S2, Shank Style Hex, Hex Shank Size 1/4 in, Single End, Fastening Tool Material S2 Steel, Overall Bit Length 1 in, SAE, Finish Rust Preventative Manganese Phosphate, Impact Rated Yes, For Use With Power Tool, Power Bit, Package Quantity 2