ANVER Vacuum Cups and Suction Cups Model: Flat with Valve F50-SIT/VALVE Part Number: A-3150051S ANVER and P-Series Description and Part No. Connection Thread Size Static Diameter* in. (mm) Static Height* in. (mm) Load Capacity at 24 in. Hg (609.6mm Hg) [2:1 Safety Factor] lb (kg) Pull-Off Capacity at 27 in. Hg (685.8mm Hg) [1:1 Safety Factor] lb (kg) Level Compensator Suspensions (Click Image for More Info) F50-SIT/VALVE (Translucent Silicone) A-3150051S 31.50.051S F50-2.10.05UV G 1/8″ Female 2.10 (52.8) 1.10 (27.0) 9.33 (4.23) 21.00 (9.53)