YKK #3 antique brass one-way zippers are ideal for jackets. Features a tooth size of 3 (3 mm), tooth color has antique finish, 1 3/16" top extension and the slider has an automatic lock. Available in a variety of colors and lengths. Please note: actual colors may vary from picture due to computer setting variances. YKK is a registered trademark of YKK Corporation in Japan and other countries/regions.