The picture shows the ring width is 8mm Rings Width:4MM 6MM 8MM 10MM(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 Watches Gear Rings,Gold Gears Over Blue Carbon Fiber Inlay And Silver Bands,Gold Mechanical Gears Tungsten Carbide 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 Wedding Rings may be laser engraved, but CANNOT be engraved by hand. They CANNOT be stretched. Women's or Men's Tungsten Carbide Wedding Band Watches Gear Rings with gold gears over blue carbon fiber inlay and silver bands are a unique and stylish option for couples looking for matching wedding bands. These rings are made of tungsten carbide, a highly durable and scratch-resistant material that is perfect for everyday wear. The gold mechanical gears add a touch of industrial and steampunk style to the ring, while the blue carbon fiber inlay adds a pop of color and visual interest. These silver wedding bands come in a range of widths, from 4mm to 10mm, making it easy to find the perfect fit for both partners. Overall, Women's or Men's Tungsten Carbide Wedding Band Watches Gear Rings with gold gears over blue carbon fiber inlay and silver bands are a unique and eye-catching choice for couples looking for matching wedding bands that are both stylish and durable.