The CB-2000 and CB-3000 consist of two main parts, the cage portion and the cuff ring. This is an extra ring, in addition to the rings that already come with the kits. The five rings included in the kit have inside diameters of 1-1/2", 1-5/8", 1-3/4", 1-7/8", and 2". Below we offer extra individual rings in these sizes.
Solid ring for the CB-2000 or CB-3000: Only available in Size 1 (2")