Three-Pack YKK 23" x 1.5" #10 Brass Open-End Separating Zippers - Black - Use for sail covers, canvas enclosures, jib luff sleeves, jackets, and much more! Three-Pack YKK 23" x 1.5" #10 Brass Open-End Zippers - Black Auto-locking sliders Heavy-weight with polyester tape & gold teeth Great for any sewing project