8mm hexagon shank bits suitable for use with Stock Nos. 22322 and 81519 Impact Screwdriver Sets. Features and Benefits • Chrome molybdenum steel • 8 x 35mm hexagon shank bits suitable for use with Stock Nos. 22322 and 81519 Impact Screwdriver Sets Contents 1 x Draper TX-STAR® Impact Screwdriver Bit, T55