ZipperStop Wholesale Authorized Distributor YKK&reg; 28" Nickel Zipper ~ YKK #5 Nickel Metal - Separating ~ 580 Black (1 zipper/pack) ZipperStop Wholesale Authorized Distributor YKK 28" Zipper ~ YKK#5 Nickel Metal - Separating 580 Black (1 zipper/pack) YKK's highest line of quality zipper. Every element of the zipper is polished and plated for more luxury.