Stanley Proto J1100G 5 Piece 12 Point Box Wrench Set Set Includes: J1170 -5/16" x 3/8"; J1171 -7/16" x 1/2"; J1172 -9/16" x 5/8"; J1173 -11/16" x 3/4"; J1174 -13/16" x 7/8"; J2405 -5-Pocket Vinyl Tool Kit 12 point box end allows for fine indexing, helping to improve speed and access. Fits 4, 6 and 12 point fasteners. Box ends incorporate the TorquePlus system. Full polish finish provides corrosion resistance and easy to clean surfaces. Ideal for use on stubborn or damaged fasteners.