Crescent Nicholson 05194N 14" American Pattern Bastard Cut Half Round Double File - BoxedNicholson 05194N Description The NICHOLSON half round files are rounded on one side and flat on the opposite side. Both sides are American pattern and are double cut. The half round files are used on concave, convex, and flat surfaces. NICHOLSON files are precision engineered to provide maximum removal per stroke and superior longevity. The 05194N is a 14 In. bastard cut file. Nicholson 05194N Features American pattern half round file, bastard cut