Use one on each half of a shortened zipper to prevent the slide from sliding off. Easily attaches over zipper teeth. Stainless Steel. Sold in sets of 2 (use one set per zipper).
Sunbrella, Marine Canvas, Sailcloth, Fabric and Hardware | Sailmaker's Supply
Choosing a Replacement Zipper Slider
YKK Zipper stops - Leather Artisan Lab
Zipper Stops Metal – Discovery Fabrics
Provides replacement parts zipper repair on clothing and accessories such as sweatshirts, jackets, jeans, skirts and slacks, purses, etc. Comes with
Zipper Rescue Zipper Repair Kits – The Original Zipper Repair Kit, Made in America Since 1993 (Clothing)
Jacket Zippers
Anatomy of a Zipper
Tough, Lightweight and Waterproof Gear Bags From Dyneema and Tyvek : 10 Steps - Instructables
Marine Zippers YKK and SUNZIP
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35 Wholesale YKK Zippers 35inch Jacket Zipper YKK Number 5 Aluminum Metal Medium Weight Separating Choose Your Own Colors
YKK #5 Vislon® Separating Zipper