Draper 30920 No 2 Cross Slot Impact Screwdriver Bit. No 2 cross slot hex shank screwdriver bits suitable for use with Draper Impact Screwdriver Sets. Sold loose. Manufacturer's part 30920. Specifications: Type: Impact Driver Bit, Drive Type: 1/4"" Hex, Head Size: PH2, Head Type: Phillips, Number of Pieces: 1, Overall Length: 25mm.