The picture shows the ring width is 8mm Rings Width:8MM (If you want a width that is not in the options, please contact customer service, we will reply within 12 hours.) Us Size:5/5.5/6/6.5/7/7.5/8/8.5/9/9.5/ 10/10.5/11/11.5/12/12.5/13/13.5/14/14.5/15 Note: the character of the inside ring is "Tungsten carbide", which is deleted as default. If you stick to have it engraved on "tungsten carbide" inside of ring, please tell me and email to us when you have ordered. Women's or Men's Tungsten Carbide Wedding Band Rings,Black With Rose Gold Watch Gear Resin Inlay Design Over Blue Carbon Fiber Tungsten Ring With Mens And Womens Rings For 4MM 6MM 8MM 10MM Tungsten carbide is ranked second hardest next to diamond on the Mohs scale, diamond being a 10 followed by Tungsten carbide as 9. Tungsten material does not cause irritation on the skin. Due to the Hardness of Tungsten carbide, Tungsten ring may be laser engraved, but CANNOT be engraved by hand. They CANNOT be stretched. The Women's or Men's Tungsten Carbide Wedding Band Watches Gear Rings with black and rose gold watch gear resin inlay design over blue carbon fiber tungsten ring can be a unique and stylish option for a wedding band. The use of tungsten carbide in the black tungsten rings's construction provides durability and scratch resistance, making it an excellent choice for everyday wear. The black and rose gold watch gear resin inlay design over blue carbon fiber is a modern and eye-catching feature that can make this ring stand out. Additionally, the use of watch gears in the design gives the ring a mechanical, industrial look that can be appealing to those who appreciate steampunk or mechanical aesthetics.