Women's Cuff link women's accessory 1.Material:tungsten ,cobalt free 2.Design:faceted ,triangle 3.MOQ:3PCS 4.OEM accepted triangle cufflink Women's Cuff link women's accessory * Tungsten Carbide Properties (always see precautions in FAQ)* Hardest metal on earth* Extremely scratch-resistant* 4x harder than Titanium* 5x harder than steel* 10x harder than 18k gold* Highest melting point of all ...