MEGAPRO 9BP-TP-2A Double Ended Bit Set, 2 In, PK 3. More details: Screwdriver Replacement Bit Set, Number of Pieces 2, Shank Size (In.) 1/4, Material S2 Steel, Application For Use in Driving Screws and Other Fasteners by Hand Tool Application, Includes Torx: T20 and T25, T27 and T30, Package Quantity 2