YKK 46cm 18 inches Size 5 Open Ended Molded Plastic Zip Long Metal Pull - Grey #361
A size 5 molded plastic separating zip with teeth that measure approximately 5mm (1/4 inch) wide when zipped.
46cm (18 inches) long with an open end. This is a one way zip (only has one slider), and separates at the bottom, jacket style. It is grey with a heavier duty longer metal zipper pull.
Most frequently used for parkas, jackets, hoodies, sportswear and fleece jackets as well as for bags.
YKK (Vislon) - quality brand.
Note my own photos of zips do not always accurately show the colour. Please refer to the circled colour in the extract of the YKK Colour Chart.