The bracelet is 205mm long, suitable for 17cm wrist size WT:30g 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 New Personalised Tungsten Carbide Ceramics BraceletsHologram Energy Bracelet Fashion Link Chain Bangles Gifts For Mens And Womens