Vacuum Cups and Suction Cups Product Photo (Click to Enlarge) 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) Capacity* lb. (kg) 2 to 1 Fitting Group Suspensions Group RFQ F60-SITSilicone 2.36 (60.0) 0.31 (7.9) 0.87 (22.0) 0.69 (17.5) 0.752 (12.00) 23.00 (10.4)