General description 200pcs grommets kit includes 200 pieces of 6mm eyelets (black, silver, gold, bronze), 1 mandrel, 1 rivet punch, 1 base tool, and a storage box. These eyelets are made of high-quality copper, making them more durable than plastic eyelets, solid, and rust-resistant. Technical specifications Inner diameter: 6mm Outer diameter: 10.5mm Colors: black, silver, gold, bronze Compatibility and accessories Compatible with a variety of thin fabrics such as tarps, canvas, denim, foam, leather, etc. Includes 3 tools: mandrel, rivet punch, and base tool Usage Ideal for repairing belts, leather rivets, making bags, shoes, and decorating craft items. Essential accessories for shoes, backpacks, hats, jackets, bibs, parachutes, belts, and more.