ZipperStop Wholesale Authorized Distributor YKK&reg; 6" YKK Pants Brass Zipper #4.5 - Charcoal 579 (3 Zippers) ZipperStop Wholesale Authorized Distributor YKK 6" YKK Pants Brass Zipper #4.5 ~ Charcoal 579 (3 Zippers) Superior quality brass zipper. Ideal for pants, jeans & low rise woman's jeans.