Stunning Infinity Tungsten Mens Ring Wedding Band 8mm (Silver) Ring arrives with an elegant complimentary gift box Available sizes: 8, 9, 10, 11, 12 Width: 8 mm (0.3 Inches) Material: Solid Tungsten Tungsten is one of the strongest metals on earth. Its highly durable and can hardly get scratched or damaged and has the most unique color and mirror finish that will last a lifetime. For many, tungsten is the most beautiful material there is when it comes to jewelry.