Suction Pads for Alberti CNC Machines Padsmore suction pads are all fit perfectly on the original machines. It has been proved to meet or exceed the original under most normal wood machining applications. Part No#: J.088.120.17.PR Round rubber suction pad id (mm) od (mm) thickness (mm) 88 120 17 Part No#: J.084.108.17.PR Round rubber suction pad id (mm) od (mm) thickness (mm) 84 108 17 Part No#: J.056.082.17.PR Round rubber suction pad id (mm) od (mm) thickness (mm) 56 82 17 Part No#: J.060.068.17.PR Round rubber suction pad id (mm) od (mm) thickness (mm) 60 68 17