Apex Tool 04729N Nicholson FILE, 4", HALF RD, 2ND CUT, 102mm, NICH

4" Half Round Second Cut. American Pattern Half Round File, Bastard Cut. Used on Concave, Convex and Flat Surfaces. Rounded on 1 Side, Flat on Opposite. Rounded Sides of All Half-Round Bastard Files Are Double-Cut. Flat Sides of All Half-Round Files Are Double Cut.