Sale 30" Jacket Zipper (Special Custom) YKK #8 Extra Heavy Duty Aluminum Separating ~ Color Black (1 Zipper/pack) Sale 30" Jacket Zipper (Special Custom) YKK #8 Extra Heavy Duty Aluminum Separating ~ Color Black (1 Zipper/pack) Made from the finest quality metal to ensure extra strength & reliability. Virtually indestructible. Color may vary on your monitor