Wire grommet kit: Includes 100 piece eyelet grommet kit (with 100 grommets and washer, individually packed in a PE bag), punch tool and set tool, all in a mess-free plastic box. > Size:Inner Diameter: 12 mm (1/2 inch) and outer diameter: 21mm (5/6 inch). With a plastic storage box, approx. Excellent material: The Grommet Kits are made of quality copper-nickel and surface electroplated, with high corrosion resistance and shiny appearance, very not easy to oxidize. Easy to use: Eyelet grommet kit makes installation easy. First use the punch tool to punch a hole in the tarpaulin (fabric), then take the grommet set and finally secure the grommet set with the attached tool. Please put a rubber pad or wooden board when punching holes to prevent the puncher from getting dull. Wide range of uses: The grommet kit is suitable for canvas, tarpaulins, tents, curtains, backpacks, leather crafts, repair and decoration. (materials with a thickness of less than 1 mm) Eyelets Tools Metal Sets Eyelets 100 Set Grommet Kit Eyelets Kit for Canvas Tarp Tent Repair Features: 100 eyelets metal, 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 of eyelets and metal gaskets fit together well. Durable buttonholes are easy to use and are ideal for canvas, tarps, tents, awnings, belts, clothing, wallets, bags and more fabrics. FEATURES: Material: copper Color: silver < p>Inside diameter: 12 mm (1/2 inch) Outside diameter: 21 mm (5/6 inch) Quantity: 100 set Package content: 1x eyelet kit (100 sets). Note: 1. Remember to use a wooden stand to avoid damaging the hole cutter 2. Wear protective gloves when using 3. Can mark on the fabric before use"