Offset double box reversible ratcheting wrench. 19/32 and 43/64 inch outside head width. 3/8 and 3/8 inch head thickness. Fractional unit of measure. Full polish finish provides corrosion resistance and easy to clean surfaces. 25° offset box end helps keep shank clear of obstructions. Shorter length for access to confined workspaces. Reversing switch lever allows for easy changes in turning direction which helps improve speed. 12 point box end allows for fine indexing. Fits 4, 6 and 12 point fasteners.