Zipper Sizes Small. (currently under development) Will fit most coil, plastic and metal sizes 2,3,4,4.5,4.9
Medium. Will fit 5 & 8 coil zippers. Will fit most coil plastic and metal sizes 4.9,5, 6, 7 (8 coil). Carry one to fix both common sizes used on backpacks 5 and 8 coil.
Large 8-9. Will fit 8 toothed -9-9.5-10 toothed zippers
Large 10. Fits most coil, plastic and metal sizes #10.
Large Premium. Silica Bronze cast with all stainless steel parts for #10. Extra rugged for salt water applications. Zipper Size Measurement Zipper teeth can be made out of metal, nylon, plastic or a coil. When measuring, place the teeth side face up. Please review pictures to help determine which slider you will need. Also on the back of many Zipper sliders there is a number stamped indicating the zipper size.