ANVER Vacuum Cups and Suction Cups Model: Universal 2.5 Bellows Part Number: B2.5-7-NM Vacuum Cup Part Number and Material D Flared Overall Dia. d Fitting Dia. H Static Height A Compressed Height Volume Load Capacity* at 24 in. Hg (609.6mm Hg) [2:1 Safety Factor] Fitting Group (Click Image for More Info) Level Compensator Suspensions (Click Image for More Info) B2.5-7-NM (Nomathane) 0.28 in. (7.0 mm) 0.16 in. (4.0 mm) 0.54 (13.6) 0.39 in. (10.0 mm) 0.003 in.3 (0.05 cm3) 75 grams