Makita SC05340050 Round Punch, 1/4" (6.5 mm), XPP01Makita SC05340050 The Makita Round Punch, 1 4 (6. 5 mm) is ideal for punching holes in general steel and stainless steel. The round punch is for use with the Makita Round Die, 1 4 (6. 5 mm), model SC00000205 (sold separately). The round punch has a metal plate thickness capacity range of 5 64 (2 mm) to 5 32 (4 mm) in general steel and 1 8 (3 mm) to 5 32 (4 mm) in stainless steel. It installs quickly and easily for user convenience. Key Features