The Beta Tools Double-End Offset Socket Wrenches, No. 933, feature a six-point deep socket on the long end and a hollow six-point socket on the short end to help access nuts on long, threaded rods. The hollow socket allows a long, threaded stud to pass through the tool, to access fasteners like those found on rear-engine mounts. The wrenches, which are chrome vanadium with a chrome finish, come with a lifetime warranty and are available in 25 metric sizes ranging from 6mm to 32mm.