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.