The YKK Vislon #10 Separating Zipper AutoLok Double Pull Plastic Slider in black, 66 inches long, offers a durable and lightweight solution for heavy-duty outdoor, marine, and industrial uses. Featuring #10 molded plastic teeth made from corrosion-resistant polyacetal (POM) resin, this separating zipper includes two automatic locking sliders for smooth, secure two-way operation. Its chemical-resistant, self-lubricating design ensures reliable performance across varying environmental conditions, making it ideal for applications like jackets, tents, and patio covers where durability and ease of use are essential. This zipper combines rugged construction with the convenience of a plastic slider for lasting function in demanding settings.