Int. Pipe Wrench 3/8"" - Black Oxide xL Combination Wrench 80 mm - 12 Point Black Oxide Finish. For use on extra large fasteners. Used in Mining, Oil & Gas, Industrial Construction. Forged heads with machined openings. 12 point box end allows for fine indexing, helping to improve speed and access. Fits 4, 6 and 12 point.