Size:215*16mm WT:105g suitable for 18.5cm-19.5cm 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 22cm Tungsten Steel Hologram Bracelets Unisex Fashion Link Chain Bangles For Mens And Womens