ANVER Vacuum Cups and Suction Cups Model: Universal Flat Series Part Number: F10-NBR Vacuum Cup Part Number and Material Flared Overall Dia. D Overall Dia. d Fitting Dia. H Static Height A Compressed Height Volume Load Capacity* at 24 in. Hg (609.6mm Hg) [2:1 Safety Factor] Fitting Group (Click Image for More Info) Suspensions Group (Click Image for More Info) F10-NBR (Nitrile) 0.42 in. (10.7 mm) 0.40 in. (10.1 mm) 0.16 in. (4.0 mm) 0.42 in. (10.6 mm) 0.37 in. (9.4 mm) 0.003 in. (0.05 cm) 269 grams