YKK Size 5 Nylon Coil Jacket Zipper 14 inch (35.5 cms) - Medium Grey #577

A size 5 nylon coil separating zip which features teeth that measure approximately 5mm (1/4 inch) wide when zipped.

14" (approx 35.5 cms) long with an open end.  This is a one-way zip (only has one slider), and separates at the bottom, jacket style.  Also has a 1" top extension and the slider has an automatic lock.  

Most frequently used for bags, parkas, jackets, hoodies, sportswear and fleece jackets.  

YKK - quality brand.