ANVER Vacuum Cups and Suction Cups Model: Bellows B20-SIT Part Number: A-3150103S ANVER and P-Series Description and Part No. Flared Overall Dia. 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 Capacity at 27 in. Hg (685.8mm Hg) [1:1 Safety Factor] Item Weight oz. (grams) Level Compensator Suspensions (Click Image for More Info) B20-SIT (Translucent Silicone) A-3150103S 31.50.103S B20.20 0.9 in. (22 mm 0.8 in. (20 mm) 0.85 in. (21.5 mm) 0.80 in. (19.0 mm) 0.49 in. (12.5 mm) 1.38 lbs (0.62 Kg) 3.1 lbs (1.41 Kg) 3.1 lbs (1.41 Kg)