ANVER Vacuum Cups and Suction CupsModel: P-100 CUP & VALVEPart Number: A-3350040 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-100 CUP & VALVE (Ethylene-Propylene)A-3350040 33.50.040 G 1/2″ Female 4.23 (107.5) 2.01 (51.0) 65.0 (29.5)