This copper colored beading wire is the ultimate in nylon coated jewelry and beading wire. It is fast becoming the standard for professionals and hobbyists. Made up of 49 strands of stainless steel wire encased in nylon for the unbeatable combination of strength and flexibility. Metallic wire enhances any jewelry design and allows the technology of today to reinvigorate the findings of yesterday. 0.019" in diameter (Medium); 30 feet.