The bracelet is 20.5cm long, suitable for 17cm wrist size WT:30g 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 New Personalised Tungsten Carbide Ceramics BraceletsHologram Energy Bracelet Fashion Link Chain Bangles Gifts For Mens And Womens