We will send two chains for free: Leather rope chain length: 51.5CM (20.28 inches) Titanium steel chain length 60cm (As shown) we can offer you chain's styles and length as required 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. Tungsten Carbide Clavicle Chain Men and Women Exaggerated Retro Rhombus Pendant Necklace Jewelry Gifts For Mens And Womens