SML's product line of round hole punches are available in a wide range of size configurations. This includes 12.7 mm, 15.2 mm, 18.6 mm, 20.5 mm, 22.5 mm, 28.3 mm, 30.5 mm, 37.0 mm, 47.0 mm, 54.0 mm, 60.5 mm, 9.5mm Bearing bolt (230-030), and 19 mm Bearing bolt (230-040). All punches come in high-quality plastic carrying cases.