ANVER Vacuum Cups and Suction Cups Model: Universal 1.5 Bellows Part Number: B1.5-33-NBR Vacuum Cup Part Number and Material D Flared Overall Dia. in. (mm) d Fitting Dia. in. (mm) H Static Height in. (mm) A Compressed Height in. (mm) Volume in.3 (cm3) Item Weight oz. (grams) Load Capacity* 2 to 1 Fitting Group (Click Image for More Info) Level Compensator Suspensions (Click Image for More Info) B1.5-33-NBR (Nitrile) 1.3 (33) 0.31 (8.0) 1.1 (28) 0.65 (16.5) 0.290 (4.80) 0.282 (8) 2.6 lbs (1.2 Kg)