ANVER Vacuum Cups and Suction Cups Model: Universal Flat Series Part Number: F52-SIT Vacuum Cup Part Number and Material D Overall Dia. in. (mm) d Fitting Dia. in. (mm) H Static Height in. (mm) A Compressed Height in. (mm) Volume in. (cm) Item Weight oz. (grams) Load Capacity* 2 to 1 Fitting Group (Click Image for More Info) Suspensions Group (Click Image for More Info) F52-SIT (Translucent Silicone) 2.05 (52.0) 0.31 (8) 0.87 (22.0) 0.69 (17.5) 0.427 (7.00) 0.459 (13) 9.3 lbs (4.2 Kg)