ANVER Vacuum Cups and Suction Cups Model: Multiple Bellows BL40-SIT Part Number: A-3150112S ANVER and P-Series Description and Part No. Flared Overall Dia. Static Diameter* Compressed Diameter* Static Height* Compressed Height* Load Capacity* at at 18 in. Hg (457 mm Hg) [2:1 Safety Factor] Pull-Off Capacity at 18 in. Hg (457 mm Hg) [1:1 Safety Factor] Level Compensator Suspensions (Click Image for More Info) BL40-SIT (Translucent Silicone) A-3150112S 31.50.112S BL40-2.20 1.64 in. (41.5 mm) 1.59 in. (40.3 mm) 1.65 in. (41.9 mm) 1.65 in. (41.9 mm) 0.68 in. (17.3 mm) 2.5 lbs (1.1 Kg) 4.90 (2.22)