Size:215*16mm WT:105g, suitable for 18cm-19cm wrist size Shipping Delivery within 3-5 business days! Can be lettering and custom patterns. Tungsten carbide is ranked second hardest next to diamond on the Mohs scale, diamond being a 10 followed by Tungsten carbide as 9. Women's Or Men's 215mm Tungsten Carbide Hologram Bracelets Unisex Fashion Link Chain Bangles Gifts For Mens And Womens