1. Practical grommet eyelet pliers set - This grommet tool set contains 401 pieces. These metal grommet eyelets are self - backing and do not require washers. The inner diameter of the metal eyelets is 1/4 inch, the outer diameter is 1/2 inch, and the tube length is 1/4 inch. You can easily use this eyelet set for self - repair. Please confirm the size before purchasing. 2. Instruction manual for the grommet set eyelet pliers tool - First, punch a hole of the same size as the grommet in the material where the grommet is to be installed. Then, place an eyelet on the protruding end of the pliers. Next, put the material to be punched in the middle. Then, simply align the pliers with the position where you want to press in the eyelet and squeeze the handle to press in the eyelet. Pay attention to the direction of the eyelet and the pliers. An incorrect direction will damage the eyelet. 3. Portable and lightweight eyelet pliers - This manual eyelet pliers adopt a special lightweight design, making it easy to carry anywhere. The eyelet pliers can apply eyelets to a variety of materials, such as fabric, leather, plastic, acrylic, canvas, etc. 4. Practical non - slip hand - held eyelet pliers - The punching pliers are made of carbon steel with a chrome - plated surface. The handles of the punching pliers are dipped in plastic, providing a comfortable grip, convenient to use, and labor - saving. 5. Wide application of the grommet set - The eyelet pliers set is suitable for a variety of fabrics such as leather, canvas, flannel, nylon cloth, etc., and can be used for making clothes, blankets, wallets, belts, handicrafts, etc. 6. Color: As shown in the picture. 7. Material: Metal. 8. Package contents: - 200 gold eyelets - 200 silver eyelets - 1 pair of tool pliers 9. Only the above package contents are included, and other products are not included. 10. Note: Light and different displays may cause slight differences between the color of the items in the picture and the actual objects. A measurement error of plus or minus 1 - 3 centimeters is allowed.