Upgrade your outdoor cushions, upholstery, and marine projects with the YKK #4 Brass Zipper Slider. This single pull tab slider is made from durable metal, offering reliable performance for cushion, awning, residential, and industrial applications. Designed for use with brass zipper teeth, it fits non-separating or closed-end zippers and is available in finishes like golden brass and antique brass. The zinc alloy construction provides strong abrasion resistance, making it ideal for replacement or repair work where lasting quality matters.