This beautiful tungsten ring is 8mm in width with white carbon fiber inlay .Our tungsten rings are all free cobalt.We offer the high quality product and reasonable price. Tungsten rings advantage: 1.Hard and dense:about 9 Mohs hardness scale,that's 10 times harder than 18k gold, 6 times harder than tool steel,and 5 times harder than titanium. 2.Permanently New:Tungsten is a extreme hardness metals,So it can not be easily worn out or leave scrathces in daily life.wears for several tens of years,and keep it shiny forever. 3.Never deformed:No matter what the situation, it can maintain its original shape.But, if you're not careful it fell above 1.8M high places, it will be broken. 4.Highest melting point:3400 degrees.
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