Eyelet Kit with Grommets, 100 Sets of 12mm Eyelets, Tarp Repair Kit Product DescriptionPackage Contents 100 * Buttonhole Eyelet Kits1. Package Contents Our eyelet kit includes a storage box, hole punch, matching die, base, and 100 sets of eyelets (each set contains 1 eyelet and 1 washer). 2. Eyelet Kit Size Eyelets inner hole diameter 10 mm / 0.4 inches, flange outer diameter 16 mm / 0.63 inches, and barrel length approx. 5 mm / 0.2 inches. Storage box approx. 17.5 x 9.8 x 2.2 cm / 6.89 x 3.86 x 0.87 inches. 3. High-Quality Materials Our eyelet kit is made of high-quality brass material; they are very smooth, durable, shiny, with good corrosion resistance, and do not rust easily. 4. Easy to Use Our eyelet kit includes a complete eyelet punching kit for easier installation. First, use the punch tool to make a hole in the tarp; the non-slip grip provides a more secure hold. Then, take the eyelet kit and finally use the included tool to securely fasten the eyelet kit. 5. Wide Application Our eyelet kit offers an economical solution for repairing canvas, tarps, tents, and pool covers. It's great for shoes/laces, clothing, bags, leather crafts, pool covers, truck covers, sleeping bags, shower curtains, curtains, and more.