ANVER Vacuum Cups and Suction Cups Model: Universal Flat Series Part Number: F15-NBR Vacuum Cup Part Number and Material Flared Overall Dia. D Overall Dia. d Fitting Dia. H Static Height A Compressed Height Volume Item Weight oz. (grams) 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) F15-NBR (Nitrile) 0.62 in. (15.7 mm) 0.58 in. (14.7 mm) 0.16 in. (4.0 mm) 0.43 in. (10.9 mm) 0.36 in. (9.1 mm) 0.011 in. (0.18 cm) 0.032 (0.9) 470 grams