Full polish finish provides corrosion resistance and easy-to-clean surfaces, 12 point box end allows for fine indexing, helping to improve speed and access. Fits 4, 6 and 12 point fasteners, 6-point box end allows larger wrench to fastener contact area which helps prevent rounding of the fastener, 25? offset box end helps keep shank clear of obstructions, reversing switch lever allows for easy changes in turning direction which helps improve speed.Exhaustive in our efforts to make the world?s safest tools, Unique in the marketplace, relevant to our customer?s work style, Proto helped build 1934 Fords, the Golden gate bridge and Apollo 560, made in America, making the highest quality tools Comes first, confidence that our tools will help keep them working longer and safer.

Full polish finish provides corrosion resistance and easy-to-clean surfaces, 12 point box end allows for fine indexing, helping to improve speed and access. Fits 4, 6 and 12 point fasteners, 6-point box end allows larger wrench to fastener contact area which helps prevent rounding of the fastener, 25? offset box end helps keep shank clear of obstructions, reversing switch lever allows for easy changes in turning direction which helps improve speed.Exhaustive in our efforts to make the world?s safest tools, Unique in the marketplace, relevant to our customer?s work style, Proto helped build 193