ANVER Vacuum Cups and Suction CupsModel: P-35 CUP & VALVEPart Number: A-3350038 ANVER and P-Series Description and Part No. Connection Thread Size Diameter in. (mm) Height in. (mm) Load Capacity at 24 in. Hg (609.6mm Hg)[2:1 Safety Factor] lb (kg) P-35 CUP & VALVE (Ethylene-Propylene)A-3350038 33.50.038 G 1/8″ Female 1.67 (42.5) 1.28 (32.5) 7.5 (3.4)