ANVER Vacuum Cups and Suction Cups Model: Universal 1.5 Bellows Part Number: B1.5-63-NBRVacuum Cup Part Number and MaterialFlared 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 1Fitting Group (Click Image for More Info)Level Compensator Suspensions (Click Image for More Info) B1.5-63-NBR (Nitrile) 2.5 (63.5)2.49 (63.2)0.31 (8)1.32 (33.5)0.73 (18.5)2.400 (39.00)9.8 lbs (4.44 Kg)