YKK Zipper Pull Tab Sliders Boat Canvas #10 Vislon Double Metal Pull Tab Zipper Sliders, 2 Piece Set - Black

Molded tooth chain is the type found on many boat canvas covers. The #10 Slider has the square end tabs. the other widely used slider is a #8 and that one has rounded slider tab ends.

ykk – Sewing Supply Depot

ZipperStop Distributor YKK® # 10 Repair Solution

YKK® #10 Black Separating Molded Tooth Zipper (Delrin® Double Pull Slider)

YKK Marine Zippers Vislon and Ziplon

YKK Marine Zippers Vislon and Ziplon

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How to Choose the Right Zipper

HEAVY DUTY ZIPPERS #10 - Gray — Northwest Tarp & Canvas

2 Way Zipper - Heavy Duty with Two Way Jacket Zipper Pull Dual Plastic Separating Zipper for Coat Tent Sewing Crafts #10