ANVER Vacuum Cups and Suction Cups Model: Deep D20-SIT Part Number: A-3150136S ANVER and P-Series Description and Part # Flared Overall Dia. Static Dia.* Maximum Compressed Dia.* 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) D20-SIT (Translucent Silicone) A-3150136S 31.50.136S D20-2.20 0.90 in. (23 mm) 0.90 in. (22.0 mm) 1.10 in. (28.0 mm) 0.50 in. (13.0 mm) 0.38 in. (9.7 mm) 0.046 (1.3) 1.8 lbs (0.82 Kg) 4.00 lbs (1.8 Kg)