ANVER Vacuum Cups and Suction Cups Model: Universal 2.5 Bellows Part Number: B2.5-20-SIT Vacuum Cup Part Number and Material D Flared Overall Dia. in. (mm) D Overall Dia. in. (mm) d Fitting Dia. in. (mm) H Static Height in. (mm) A Compressed Height in. (mm) Volume in.3 (cm3) Load Capacity* 2 to 1 Fitting Group (Click Image for More Info) Level Compensator Suspensions (Click Image for More Info) B2.5-20-SIT (Translucent Silicone) 3272 0.81 (20.6) 0.79 (20.0) 0.16 (4.0) 0.88 (22.4) 0.51 (13.0) 0.122 (2.00) 1.1 lbs (0.5 Kg)