ANVER Vacuum Cups and Suction Cups Model: Universal Flat Series Part Number: F77-NBR Vacuum Cup Part Number and Material Flared 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. (cm) Load Capacity* 2 to 1 Fitting Group (Click Image for More Info) Suspensions Group (Click Image for More Info) This Cup With Valve Assembly (Click Image for More Info) F77-NBR (Nitrile) 3.03 (77) 2.94 (74.7) 0.46 (11.7) 1.24 (31.5) 1.02 (26.0) 0.976 (16.00) 24 lbs (10.9 Kg)