ANVER Vacuum Cups and Suction Cups Model: Multiple Bellows BL50-SIT Part Number: A-3150113S ANVER and P-Series Description and Part No. Flared Overall Dia. in. (mm) Static Diameter* in. (mm) Compressed Diameter* in. (mm) Static Height* in. (mm) Compressed Height* in. (mm) Load Capacity* at 18 in. Hg (457 mm Hg) [1:1 Safety Factor] Pull-Off Capacity at 18 in. Hg (457 mm Hg) [1:1 Safety Factor] Item Weight oz. (grams) Level Compensator Suspensions (Click Image for More Info) BL50-SIT (Translucent Silicone) A-3150113S 31.50.113S BL50-2.20 1.97 (50) 1.97 (50.0) 2.03 (51.5) 2.04 (51.8) 0.9 in. (23 mm) 4.8 lbs (2.18 Kg) 9.60 lbs (4.35 Kg) 0.79 (22.5)