Size:190*8mm WT:47g, suitable for 15.5cm-16.5cm 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 Unisex Personalised Tungsten Carbide 19cm Long Hologram Energy Bracelets Fashion Link Chain Jewelry Gifts For Mens And Womens