Stanley Proto J1120 12 Point Short Box Wrench 5/16 X 3/8 mm, Satin Finish,Stanley Proto,J1120" /> Satin finish provides corrosion resistance and a slip resistant grip. 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. Short handle length for getting into tight places. Ideal for use on stubborn or damaged fasteners.