1. Package Includes: Our grommet kit includes storage box, hole punch, matching die, base, and 100 sets of grommets (each set includes 1 grommet and 1 washer). 2. Grommet Kit Size: Grommets inside hole diameter 10mm / 0.4 inch, flange outer diameter 16mm / 0.63 inch, and barrel length approx. 5mm / 0.2 inch. Storage box approx. 17.5 x 9.8 x 2.2 cm / 6.89 x 3.86 x 0.87 inches. 3. High-Quality Material: Our eyelets kits are used for high-quality brass material, they are very smooth, durable, very smooth, shiny, with good corrosion resistance and not easy to rust. 4. Easy to Use: Our grommet kit includes a complete hole punch kit for easier installation. First, use the punch tool to punch a hole on the tarp, the non-slip grip provides a more secure hold, then take the grommet kit, finally use the attached tool to secure the grommet kit securely. 5. Wide Application: Our grommet kit can provide an economical solution for repairing canvas, tarps, tents, and pool covers, great for shoes/laces, clothing, bags, leather crafts, pool covers, truck covers, sleeping bags, shower curtains, curtains, and more.