Round Hole Cutter Punch 3/16" HC1Round Hole Cutter Punch 3 16" HC1 Provide an easy method for cutting clean holes in wet thick wall greenware and wet clay. All five sizes can be used to achieve a variety of designs. All of these hole cutters have sharp, polished brass, cutting tubes with the smaller sizes firmly set in hardwood handles. The two larger tubes have ends covered with a rubber cap for comfort.