Vacuum Cups and Suction Cups Model: Universal Flat Series Part Number: F8-BSI (Electro-Static Dissipative Nomastat™) Vacuum Cup/ Suction Cup No. Flared Overall Dia. in. (mm) D Overall Dia. d Fitting Dia. H Static Height Load Capacity* at 24 in. Hg (609.6mm Hg) [2:1 Safety Factor] Recommended Fitting (Click for Info) RFQ Suspension Group for Cups F8-BSI (Black Silicone) 0.34 (8.6) 0.31 in. (8.0 mm) 0.16 in. (4.0 mm) 0.47 in. (12.0 mm) 135 grams