100 pcs Grommet Kit 1/2 Inch Grommets Eyelets for Tarpaulin, Fabric, Leather, Canvas, Awning (2 Colors) Durable and easy to use. The hole cutter and mandrel are made of solid metal iron and can be used for a long time; Each set of metal grommets and washers fits well and won't crack or get lost. Products include: 100 x grommets 1 x hole cutter 1 x mandrel 1 x storage box Size: 1/2 inch They can be used to punch holes in leather goods, belts or clothes, and then push the grommet with a hammer. You can easily use grommet kits for repairs, they are useful accessories in leather, canvas, tarpaulin, tent, awning and other fabrics. Durable copper grommets, strong and sturdy. Material: metal copper, metal iron (Grommet kit) Color: gold / silver Plastic box size: 18.2 * 12.2 * 3 cm Size of Eyelet: 1/2" (13 mm) diameter bore, 4/5" (22 mm) outside diameter, 0.23" (6 mm) length