ANVER Vacuum Cups and Suction Cups Model: Universal 1.5 Bellows Part Number: B1.5-53-NBR Vacuum 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) B1.5-53-NBR (Nitrile) 2.1 (53.3)2.07 (52.5)0.31 (8)1.34 (34.0)0.75 (19.0)1.600 (26.30)8.2 lbs (3.7 Kg)