Easy to use: first use the hole punch tool to punch holes in the tarp, then take out the grommet set, then use the included tool to fasten the set securely carnations. LARGE SIZE APPLICATIONS: Grommet Kit provides an economical solution for repairing canvas, tarps, tents and curtains, suitable for shoes, backpacks, clothing, leather crafts and more. Eyelet Kit: Includes 50 eyelet kit (includes 50 eyelets and 50 washers), 1 punch tool, 1 base and 1 anchor tool, all in one plastic in the box. Clear Storage Case: Ideal for small eyelet tools, easy to retrieve and stick while sewing. Product DIY Eyelet Kit - DIY eyelets high quality metal Designed for long lasting use; each set of metal grommets and washers fit together perfectly. - Do not punch holes on thick materials: the punch tool is suitable for punching holes in canvas, leather, clothing or other materials with a thickness of less than 1 mm. How to use: 1. Prepare the tools you need. (grommets, washers, hammers, brackets, hole punches, installation tools, leather) 2. Hit the punch with a hammer to make a hole. 3. The punching is finished. 4. Make an eyelet and pass it through the hole in the leather, place it on the base with the washer matching the eyelet. 5. Place the installation tool over the washer and hit it with a hammer. 6. Complete installation steps are complete.