ANVER Vacuum Cups and Suction CupsModel: Flat A-F50-P60Part Number: A-F50-P60 ANVER and P-Series Description and Part No. Connection Thread Size Static Diameter * Static Height * Load Capacity* at 24 in. Hg (609.6mm Hg)[2:1 Safety Factor] Pull-Off Capacity at 27 in. Hg (685.8mm Hg)[1:1 Safety Factor] Level Compensator Suspensions (Click Image for More Info) A-F50-P60(Thermo-elastic Polyurethane) N/A 2.10 in. (52.3 mm) 0.70 in. (17.7 mm) 9.33 lbs (4.23 Kg) 21 lbs (9.53 Kg)