Check the listing for details. Miracle Cord 1.5mm Nylon Multi-Use Extra Strong Braided 16 yards, Black. Color: black, Condition: New. Listed at 10.81 USD. MIRACLE CORD is a superior quality braided nylon cord. It is extra strong and lightweight, with a high tensile strength. It won’t break when being pulled by hand. It is smooth, non-stretch and of uniform 1.5mm thickness throughout.