ANVER Vacuum Cups and Suction CupsModel: Bellows B150-SIT/FITPart Number: A-3150031S ANVER and P-Series Description and Part No. Connection Thread Size Static Diameter* Com- pressed Diameter* Static Height* Com- pressed Height* Load Capacity at 24 in. Hg (609.6mm Hg)[2:1 Safety Factor] Pull-Off Capacityat 27 in. Hg (685.8mm Hg)[1:1 Safety Factor] Level Compensator Suspensions (Click Image for More Info) B150-SIT/FIT (Translucent Silicone)A-3150031S 31.50.031S B150.20.15UA G1/2″ female 6.10 in. (155 mm) 6.50 in. (165.1 mm) 3.3 in. (83.8 mm) 1.7 in. (43.2 mm) 88 lbs (40 Kg) 198 lbs (89.81 Kg)