Wire grommet kit: Includes 100pcs grommet eyelet kit (with 100 grommets and washer, individually packed in a PE bag), punch tool and set tool, all in a mess-free plastic box. < p>Copper grommets: made of quality cupronickel and electroplated on the surface, with very high corrosion resistance and shiny appearance, easy to rust. Easy to install: the complete kit of Eyelet perforation makes installation easier. First use the punch tool to punch a hole in the tarp, then take the grommet kit, then use the attached tool to fix the grommet kit securely. Wide range uses : The grommet kit is suitable for canvas, tarpaulin, tent, curtain, backpack, leather craft, repair and decoration. Size: The inner diameter of these copper eyelets is approx. 1/2 inch, outer diameter is 5/6 inch, height is 1/5 inch, great accessories for various craft projects. Features: 100 metal grommets , a black punch, placed in a transparent storage box. The buttonholes are made of high quality metal and can be used for a long time. each set eyelets and metal gaskets fit together well. Durable buttonholes are easy to use and are ideal for canvas, tarps, tents, awnings, belts, garments, wallets, bags and other fabrics. The inner diameter of these copper eyelets is approx. 1/2 inch, outer diameter is 5/6 inch, height is 1/5 inch. Specifications: Material: Copper Color: Silver Inside diameter: 1.4cm External diameter: 2.3cm Quantity: 100 pieces Package includes: 100 sets silver grommets 1 x punch 1 x base 1 x installation rod 1 x storage box Note: Please do not drill holes in thick materials.