Repair the grommets easily on your tarps and tents, with this kit. With everything you need (short of a mallet), you can have your gear up and ready in no time. Brass-plated grommets For canvas, plastic, leather, cotton or synthetic fabrics NOTE: Use of a plastic or wooden mallet is recommended to increase the usable life of this kit Contains: Twenty 3/8" (9.5 mm) grommets Cutting tool Insert punch Setting die