This double sided machinist file is 2-3/8"L with "Fine" 600 grit (25 micron) on one side and 300 grit (50 micron) on the other. The overall length is 7" including the solid handle. It is suitable for sharpening all of your woodworking and wood turning tools, plus saw blades, router bits, serrated edges, pruners and shears. Guaranteed for five years. Imported.