One-piece construction, heavy duty tamperproof spline and star* 3/4"D socket bit set. A useful kit for a range of service and maintenance jobs, including Audi A4/A6 (M16) and Ford Mondeo (T70). Impact quality chrome molybdenum bits with sizes deeply engraved on each socket for easy identification. A professional set supplied in a rugged metal storage case with fitted foam insert to keep the bits safely organised.