Deer antler ring core, flat top and polished comfort interior.

6mm total width, Approx. 2.2-2.4 mm thick 

8mm total width, Approx. 2.2-2.4 mm thick 

Flat top with no inlay groove, perfect for ring makers wanting to customize the channel to any requirement. 

No need to make the core from scratch, all that's required is a channel and a little finishing afterwards and these become custom cores.  

Deer antler ring cores and sizes 4-17 available