Koa, In the Hawaiian language means brave, bold, fearless and warrior. 

Koa or Acacia Koa is a large tree, typically attaining a height of 15–25m (49–82ft) and a spread of  6–12m (20–39ft). In deep volcanic ash, a koa tree can reach a height of 30m (98ft), a circumference of 6m (20ft), and a spread of 38m (125ft). It is one of the fastest-growing Hawaiian trees, capable of reaching 6–9m (20–30ft) in five years on a good site.

Each pieces of the Koa wood ring was made with original Hawaiian Koa inlaid into Tungsten or other metals. Each of ring is work with our skillful craftsmen with high quality resin and finished with many times polish.