Black Thunder (dark) burl rings 1/4" by CORKRINGS UNIPESSOAL
Black Thunder (dark) burl rings feature a vertical banding. These rings are made from burnt and natural cork burl. Similar to the Black Thunder (light) rings, Black Thunder (dark) features more burnt cork burl than natural cork burl for an overall darker ring. Each ring is 1 1/4" x 1/4 with a 1/4" bore.
Black Thunder (dark) burl rings can be ordered in bags of 10 and 50.