Fit: Comfort Fit Thickness: 2.3mm Surface: Polished Edge: Beveled Color: Chrome Feature: CZ 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. Tungsten Mens Women Wedding Band Fashion Ring Black Tungsten Rings Gold Inside and Groove Flat Edge Comfort Fit With Mens And Womens For 4MM 6MM 8MM 10M 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 rings may be laser engraved, but CANNOT be engraved by hand. They CANNOT be stretched. The Tungsten Mens Women Wedding Band Fashion Ring Black Tungsten Rings Gold Inside and Groove Flat Edge Comfort Fit is a stylish and modern choice for couples who want matching wedding bands with a touch of luxury. The wedding bands gold features a black tungsten carbide band with a gold-colored inner band and a groove flat edge, creating a sleek and sophisticated design that is both elegant and contemporary. The gold-colored inner band adds a touch of luxury to the design, while the groove flat edge provides a modern and streamlined look. The overall effect is a stylish and sophisticated design that is perfect for weddings and special occasions.