* 6 Holes Sizes - 2.0mm， 2.5mm， 3.0mm， 3.5mm， 4.0mm， 4.5mm. * Hardened and tempered steel tube * Easy rotating head with lock in function * Fits a variety of materials such as Leather， Canvas， Paper Etc.. * Comfortable and Anti-Slip Grip Package Included: 1x Punch Plier