Zipperstop Wholesale YKK&reg; 36" Jacket Zipper YKK #5 Aluminum Metal - Medium Weight Separating - Color Black 580 (1 Zipper/pack) Zipperstop Wholesale YKK 36" 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