ANVER Vacuum Cups and Suction Cups Model: Universal U30-SIT Part Number: A-3150120S ANVER and P-Series Description and Part No. Flared Overall Dia. Static Diameter* Compressed Diameter* Static Height* Compressed Height* Item Weight oz. (grams) 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) U30-SIT (Translucent Silicone) A-3150120S 31.50.120S U30.20 1.26 in. (32 mm) 1.26 in. (31.9 mm) 1.29 in. (32.7 mm) 0.40 in. (10.1 mm) 0.21 in. (5.3 mm) 0.021 (0.6) 2.98 lbs (1.35 Kg) 6.70 lbs (3.04 Kg)