Three-Pack YKK 24.75" x 1.5" #10 Brass Open-End Zippers With Pull Tab Extensions - Black - Use for sail covers, canvas enclosures, jib luff sleeves, jackets, and much more! Three-Pack YKK 24.75" x 1.5" #10 Brass Open-End Zippers With Pull Tab Extensions - Black Auto-locking sliders Heavy-weight with polyester tape & gold teeth Great for any sewing project