Zipperstop Wholesale YKK&reg; Sale 18" Extra Heavy Duty Jacket Zipper (Special Custom) YKK #10 Brass Separating ~ Color 578 Rail Grey (1 Zipper/pack) Zipperstop Wholesale YKK Sale 18" Extra Heavy Duty Jacket Zipper (Special Custom) YKK #10 Brass Separating ~ Color 578 Medium Grey (1 Zipper/pack) Made from the finest quality metal to ensure extra strength & reliability. Virtually indestructible. Color may vary on your monitor