ZipperStop Wholesale Authorized Distributor YKK&reg; 19" Jacket Zipper (Special Custom) YKK #5 Aluminum Metal - Medium Weight Separating - Color Black 580 (1 Zipper/pack) ZipperStop Wholesale Authorized Distributor YKK 19" Jacket Zipper (Special Custom) YKK #5 Aluminum Metal Medium Weight Separating - Color Black 580 (1 Zipper/pack) Thoroughly tested to ensure strength & reliability. Aluminum Teeth. Color may vary on your monitor