ANVER Vacuum Cups and Suction Cups Model: Universal 1.5 Bellows Part Number: B1.5-20-NMVacuum Cup Part Number and MaterialD Flared 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) B1.5-20-NM (Nomathane) 0.71 (18.0)0.16 (4.0)0.62 (15.8)0.41 (10.5)0.070 (1.20)1.1 lbs (0.5 Kg)