Package Include: The zipper jig Kit includes the essential components of a zip puller, bulk zipper, and the jig itself, providing you with everything you need to install a zip. This comprehensive kit simplifies the sewing process and ensures that the user has all the necessary tools Size Information: You will receive 1 pc zip jig measuring 103x29x100mm; 20 pcs zip head measuring 27x10x9mm; 4 strand nylon coil zippers measuring 30x2.5mm, each strand is 1 yard in length. The zip head and nylon coil zippers are available in 2 colors: black and white Easy to Use: First stick/pin the zipper jig slider to the workbench, put the zipper head backward into the zipper jig, pull the inside tight, then separate your zipper tape teeth and feed your zipper tape through Practicality: Whether you are making heavy garments, bags, or other products that need to withstand heavy loads, it can provide you with a reliable guarantee. It allows you to enjoy smooth sliding and at the same time ensures its stability Zipper Repair Jig Tool: Designed for pant and dresses, our zip repair jig makes it easy to fix common zip problems. Whether your zip is stuck, broken or frayed, it can provide a stable platform to make repairs, making it a versatile tool for all your repair needs