The picture shows the ring width is 8mm Rings Width:4MM 6MM 8MM 10MM 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 Matching Rings,18K Plated Yellow Gold Tone Cupid's Arrow Ring with Inspired Meteorite Inlay,Tungsten Carbide Domed Top 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 rings may be laser engraved, but CANNOT be engraved by hand. They CANNOT be stretched.