RAM® 4" Diameter Suction Cup Base with Ball - RAM-B-224U
More on the way! ( Chat Live to get an ETA )$26.99
The RAM-B-224U includes a 4" diameter Rubber Suction Cup base has a 1.0" diameter Rubber Ball connected at right angles. The suction cup is designed to hold on any smooth non-porous surface, but for best result, mount the suction cup on a glass surface.