Grobet 4" - 2 Cut - Round Taper Swiss Pattern File, USA $34.65 MPN 8415400 Country/Region of Manufacture United States condition New File Diameter: 1/8"Geometry/Tool Specs: Round TaperFile Length: 4"Cut: 2Used for enlarging and rounding out holes. Round Taper Files are double cut and taper toward the point in width and thickness.