8mm Wide Tungsten Steel Ring Plating Black Inlay Triple Spiral Pattern+Red Guitar String Tungsten Carbide Ring T229R 100% Brand New & High Quality Model :T229R Material: Tungsten carbide Package including :1 PC Ring Width:8MM Workmanship:Classic,Weighty and Durable,excellent scratch resistant performance. Tungsten Ring Advantages 1.Tungsten rings will never bend. You can hammer it like crazy and it will always retain its shape. 2.They never scratch. You can file away at it, and it will stay polished forever. 3.It is heavier than most metals because of its density. 4.You can't beat its shine and polish. 5.It's hypoallergenic so if you have any allergies, it won't happen with tungsten.