Mercer 10" 1/2 Round File, Second Cut

Rounded on one side, flat on the other. Ideal for rounding out holes; can be used on concave, convex, or flat surfaces and leaves a smooth finish. These files are most commonly used to deburr or remove material from the inside surfaces of cylindrical workpieces or to cut half round grooves. Mercer files have a multitude of styles and uses from sharpening, stock removal and removing burrs.