ZipperStop Wholesale - Zipper Repair Kit Solution YKK&reg; #5 Coil Auto Slider with Top and Bottom Stopper Metal Made in USA (10 Sliders a Pack - 5 Aluminum and 5 Brass Sliders Top and Bottom Stoppers) ZipperStop Wholesale Authorized Distributor YKK Zipper Repair Kit Solution - Made in USA YKK Slider #5 Coil Brass & Aluminum Metal Single Locking Pull is specifically designed for use with YKK #5 Coil Zipper Chain. 10 Sliders a Pack -5 Aluminum Sliders and 5 Brass Sliders with Top and Bottom Stoppers. This zipper slider features a locking mechanism designed to grip the zipper chain to keep the slider from moving until the pull tab is tugged. Best to replace the whole slide. Not repair missing teeth on zipper chain.