Vacuum Cups and Suction CupsFor the Packaging Industry SUB61NR Cup No. and Material DDia. in. (mm) dDia. in. (mm) Hheight in. (mm) hheight in. (mm) Bottom Surface Material SUB61NR (Natural Rubber) 2.40 (61) 0.35 (9) 1.34 (34) – Cleats Natural Rubber