ANVER Vacuum Cups and Suction Cups Model: Small Oval Cup with Snap-On Reusable Fittings Part Number: OC6-18-SIT Vacuum Cup Part Number and Material A Length in. (mm) B Width in. (mm) D O.D. in. (mm) d I.D. in. (mm) H Height in. (mm) Load Capacity Fitting Type Suspension Group OC6-18-SIT (Translucent Silicone) 0.71 (18) 0.24 (6) 0.31 (8) 0.20 (5) 0.47 (12) 0.68 lbs (.31 kg)