ANVER Vacuum Cups and Suction Cups Model: Universal 1.5 Bellows Part Number: B1.5-5-NBRVacuum Cup Part Number and MaterialFlared Overall Dia.D Overall Dia.d Fitting Dia.H Static HeightA Compressed HeightVolumeLoad Capacity* at 24 in. Hg (609.6mm Hg) [2:1 Safety Factor]Fitting Group (Click Image for More Info)Level Compensator Suspensions (Click Image for More Info) B1.5-5-NBR (Nitrile) 0.24 in. (6.1 mm)0.22 in. (5.5 mm)0.16 in. (4.0 mm)0.44 in. (11.1 mm)0.31 in. (8.0 mm)0.003 in.3 (0.04 cm3)60 grams