This tool is used for the removal of Subaru crankshaft pulley bolts when doing a timing belt replacement. It is made by Company 23 and replaces factory tool s 499977000, 499977100, 499977300 and 499977400. Can be used on Forester, Legacy, Outback, Baja and Impreza. I used it one time-works great. Its in new condition. Selling for $30.00. Call or text .