STANLEY ST68070 Screwdriver Insert Bit 9-Piece Set is a versatile assortment of screwdriver bits designed for manual fastening applications with compatible multi-bit screwdrivers. Made from durable Chrome Vanadium Steel, the bits are suitable for common Phillips, Pozidriv, Square and Slotted screw profiles. The compact set provides a practical selection for workshop, maintenance, repair, assembly and general-purpose fastening tasks.