ANVER Vacuum Cups and Suction Cups Model: Universal 2.5 Bellows Part Number: B2.5-25-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* lb. (kg) 2 to 1 Fitting Group (Click Image for More Info) Level Compensator Suspensions (Click Image for More Info) B2.5-25-NBR (Nitrile) 0.98 (25.0) 0.16 (4.0) 1.32 (33.4) 0.63 (16.0) 0.330 (5.40) 0.159 (4.5) 1.4 lbs (0.64 Kg)