#5 2-way aluminum zippers are made of medium-weight metal and feature teeth that measure approximately 5mm (1/4 inch) wide when zipped. They are also called dual zippers, double zippers, or two-head zippers.

#5 aluminum 2-way zippers separate at the bottom, jacket-style. They have a silver finish.

These are 2-way zippers (they have two sliders). When the zipper is installed in a jacket, the bottom slider can move up the track, unzipping the lower portion of the zipper and allowing one’s legs room to move around more freely. Great for long coats!