This Maxi Round Punch Set is for anyone working with straps and belts of any sizes. 
This set includes six interchangeable steel tubes and a forged steel handle. For use with cutting board.
Six interchangeable steel tubes: 5mm (3/16"), 5.5mm (7/32"), 6mm (1/4"), 6.5mm (17/64"), 7mm (9/32") and 8mm (5/16"), punch handle and wrench.
Pack Size: SET.
Shock absorbing Rubber board recommended.