This Round American Pattern File is precision-engineered with a 1/8" (0.1250) diameter for detailed metalworking and finishing applications.Round American Pattern File design1/8" (0.1250) steel constructionPrecision diameter for accurate material removalDurable steel composition for longevitySKU: 191000003 UPC: 037103015907Ideal for smoothing curved surfaces enlarging holes and detailed finishing work in machining automotive repair and general metalworking applications.