General description The Grommet Tool Kit includes a hole cutter, a matching mandrel, and 100 sets of eyelet grommets, making it an economical solution for repairing canvas, tarps, tents, and pool covers. It is also ideal for use in shoes, laces, clothing, and various craft projects. Technical specifications Material: Metal, Plastic Color: Silver Plastic box size: 5.5 x 3.2 x 1.3 inch (14 x 8 x 3.3 cm) Grommet size: 1/2 inch (13mm) inside diameter of the hole Flange diameter: 4/5 inch Barrel length: 1/5 inch Usage Easy to use with the hole cutter and matching mandrel. The chuck features a non-slip pattern for a secure grip. Other information This product is made of metal and should not be exposed to water. To ensure the quality of the grommet, avoid using excessive force during installation. Package includes: 100 eyelets, 1 hole cutter, 1 mandrel, and 1 storage box.