The COSTUMAKERS Outerwear One-Way Separating Zipper 50 cm (20 in) in Black (1756) is made with #5 brass metal teeth, providing reliable function for medium-weight coats and jackets. Its one-way separating feature allows full garment opening from the hem, while the pull type ensures comfortable handling and control. The precision-engineered teeth interlock smoothly for snag-free operation, even over thick seams. Durable woven tape maintains alignment through extended use and repeated laundering, making it a strong choice for outerwear requiring dependable closure and classic styling. Coordinates with 1715.