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 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, black wedding rings may be laser engraved, but CANNOT be engraved by hand. They CANNOT be stretched. The Women or Men Tungsten Carbide Wedding Band Rings with Grooved Rainbow Anodized Black Ring are a stunning and unique option for both men and women. The tungsten carbide material is highly durable and scratch-resistant, making it an excellent choice for everyday wear. The grooved rainbow anodized black ring adds a pop of color and modern style to the design, making it stand out from traditional wedding bands. The Tungsten Wedding Rings is available in different widths ranging from 4mm to 10mm, allowing you to choose the perfect size that suits your style and comfort. Tungsten carbide rings are known for their durability and resistance to scratches, making them an excellent option for those who work with their hands or lead an active lifestyle. They are also hypoallergenic, making them safe for those with sensitive skin.