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.
Available in black, white or gray the single pull sliders are a small but mighty piece of hardware. Use in marine settings, upholstery, awning
Zipper Slider, 2 Piece, Boat Canvas #10 YKK Vislon Single Pull Tab, Black
Color may vary on your monitor
YKK #10 Black, Long Tab Semi-Swivel Slider, Zinc Alloy, #10C-1-BLK
Heavy Duty Zippers #10 - White — Northwest Tarp & Canvas
Zipper Slider Pull Tab
GODO PF8-2EA Plastic Zipper Slider Repair Replacement
Available in black, white or gray the single pull sliders are a small but mighty piece of hardware. Use in marine settings, upholstery, awning
Zipper Slider, 2 Piece, Boat Canvas #10 YKK Vislon Single Pull Tab, Black
Marine Zippers YKK 10 Extra-heavy Duty Molded Teeth With Double Pulls Plastic Slide Separating 20 240 Color Black or White
Set of 2 Black #10V Heavy Duty YKK Nesting Sliders for
YKK Zipper Repair Kit Solution Vislon #10 Slider/Pull
Vislon Zipper Pull Slider #10 Metal Locking - Double
Metal Slider
Metal Slider
Zipper Slider Replacement Guide