NICHOLSON 21687 - 6IN MILL BASTARD FILE W/HDL - MILL FILES BASTARD CUT AMERICAN PATTERN WITH HANDLE LGTH IN= 6 - RECTANGULAR SHAPE, SINGLE CUT ON SIDES AND EDGES, 2 SQUARE EDGES, RED HANDLE, ALL SIZES TAPER SLIGHTLY IN WIDTH. USED FOR SHARPENING MILL OR CIRCULAR SAWS OR DRAW-FILING AND FINISHING METALS. - EQUAL TO 6577506