This bold design features from Triton Rings has a polished ribbed black tungsten center. The edges are a polished tungsten finish that provides the perfect amount of contrast. Larson Jewelers is proud to be an authorized dealer of Triton Rings. Triton Rings is one of the most well known and respected designers of tungsten rings in the USA. All their rings come with a manufacturer's warranty that covers size exchanges for life, and repair or replacement in case of accidental damage. Note: There is a fee charged by Triton Rings, not us, for all warranty work to cover shipping and handling.