ZipperStop Wholesale Authorized Distributor YKK&reg; 23" Jacket Zipper Heavy Weight ~ YKK #7 Antique Brass Separating ~ 580 Black (1 Zipper) ZipperStop Wholesale Authorized Distributor YKK 23" Jacket Zipper Heavy Weight ~ YKK #7 Antique Brass Separating 580 Black (1 Zipper) Made from the finest quality metal to ensure extra strength & reliability. Virtually indestructible with the antique finish.