#8 YKK Vislon Black Separating Zipper, with Metal Double Tab Slider, 72" Heavy Duty #8 Zipper- Boat Canvas Top's, Tent's, Sleeping Bag's and many other products with a Zipper Slider on the Inside Outside Slightly smaller than the #10 Zipper - The #8 has 7 "teeth" per inch, #10 has 6 "teeth" per inch Lightweight yet strong, YKK #8 VISLON separating zippers serve a range of purposes. With sturdy acetal plastic teeth and polyester tape, VISLON lasts longer than the standard zipper. Due to its unique weather-capable attributes, it has a scope of military, consumer, and industrial applications. Uses include marine, upholstery, awning enclosures, tents, bags, industrial curtains, and more. The VISLON zipper is self-lubricating and corrosion resistant. It operates smoothly against mud, sand, and other friction-inducing factors. The color is integrated into the molding material, creating a coating that does not peel, chip, or rub off. YKK Zipper is a separating at the bottom with an auto-locking, double pull, metal slider. Chain width is 8mm. Tape width on either side of the chain is 5/8". Product Note: Not recommended for use in curved applications. Trademark: YKK and VISLON are registered trademarks of YKK Corporation in Japan and other countries/regions. We Ship Internationally! Northwest Tarp Canvas Check Out Our Quality Marine Canvas Hardware Weather Resistant Tarps! Have a Nice Day!