<br>It fits for jeans, skirts and slacks, purses, sweatshirts and jackets, etc. <br> <br>Specification: (According to the picture) <br>Model 1 and model 3 zipper replacement only can be applied to the metal zipper. <br>Model 2 and model 4 zipper replacement can be applied to the resin and plastic zipper. <br>Note: make sure your zipper type and size before you buy the zipper replacement. <br> <br>How to install the zipper replacement: <br>1. Firstly, take off the metal stops on the top of the zipper tape, both side of metal stops should be taken off. <br>2. Move the slider to the top the zipper tape, align the zipper teeth. <br>3. Install the slider into the zipper tape: make the left hand seize both side zipper tape, use your right hand to pull the slider down into the zipper teeth. <br>4. If you are tough to pull the slider into zipper teeth, you can use some wax and spay some oil to polish the zipper teeth to make it easier. <br> <br>Installed steps: <br>Step 1: Prepare the necessary tools and materials. <br>Step 2: Be careful that the teeth of left side should be higher than the right. <br>Step 3: Push the slider down firmly. <br>Step 4: Hold both sides of the zipper then the slider would slip automatically. <br>Step 5: Then this step is over (Be more patient during this step). <br>Step 6: Use the nipper pliers to take off the teeth on the top of the zipper tape. <br>Step 7: You can decide the amount of the teeth which you should take off. <br>Step 8: Install the top stopper firmly. <br>Step 9: Repeat the steps on the right. <br>Step 10: Then turn to the tail end.  <br>Step 11: Take off some pairs of metal teeth. <br>Step 12: Install the bottom stopper. <br>Step 13: Finish.