The Oblong Punch #400 features a polished barrel with hardened cutting edge. Hole tapers inside for easy punch clearings.
Use punches on a wood or plastic cutting block or the C.S. Osborne # 603 Cutting Pad. To apply pressure, use of a C.S. Osborne wooden or rawhide mallet, or rawhide maul is recommended. Not recommended for use with a steel hammer.