Brushed Finish Gold Groove‎ Beveled Edges Tungsten Carbide Ring. 6mm

size 9, 10, 11, 12 and 13 also available in 6mm width Tungsten is hard, heavy, durable and scratch resistant.A tungsten ring will also always retain its bright, shiny luster. They have a permanent polish, meaning they don't have to be polished or need as much maintenance as rings made of other metals. The Mohs Scale of Hardness for Metals Lead: 1.5 Tin: 1.5 Zinc: 2.5 Gold: 2.5-3 Silver: 2.5-3 Aluminum: 2.5-3 Copper: 3 Brass: 3 Bronze: 3 Nickel: 4 Platinum: 4-4.5. Steel: 4-4.5 Iron: 4.5. Palladium: 4.75 Rhodium: 6 Titanium: 6 Tungsten: 7.5. Hardened steel: 7-8. Tungsten carbide: 9 unisex, wedding band, casual ring, couple rings