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.
Installing a Zipper Slider or Puller on a Zipper
Zippers – MudraCrafts
Vislon Zipper Pull Slider #8 Metal Locking - Double Pull
YKK CN Double Pull Zipper Slider. These sliders are made for YKK CN Coil. Heavy weight ideal for: Tents, Jeep, Boat, Tent Windows or anywhere you need to open a zipper from both sides of the zipper. Sizes available: Size 5 Medium Duty zipper, Size 8 Heavy Duty zipper, Size 10 Extra Heavy Duty zipper, Made in America by YKK Zippers are everywhere in our daily lives. YKK zipper is far superior to other zipper brands and will outlast non name brand zippers 10 to 1.
#10 YKK CN Double Pull Zipper Slider. These Sliders Are Made for YKK CN Coil. (Qty 10)
191 Inch to 250 Inch YKK Zipper Bimini Top Vislon Tent Zipper
YKK Zipper Slider & Pulls, Metal Zipper Pulls
YKK #5 Cushion Zippers
HEAVY DUTY ZIPPERS #10 - Gray — Northwest Tarp & Canvas
Brand New #10 YKK Vislon Double Tab Slider for #10 molded tooth chain. Molded tooth chain is the type found on many boat canvas covers. The #10 Slider
YKK Zipper Pull Tab Sliders Boat Canvas #10 Vislon Double Metal Pull Tab Zipper Sliders, 2 Piece, Gray
Zipper Repair Solution, YKK #10 Vislon Slider - Black (2 Sliders / Pack)