ANVER Vacuum Cups and Suction CupsModel: OP-40X200 SEALING RINGPart Number: A-3350029 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) OP-40X200 SEALING RING (Ethylene-Propylene)A-3350029 33.50.029 OP40X200.50 N/A 8.13 [L] 1.89 [W] (207.0) [L] (47.8) [W] 0.41 (10.4) N/A