Practical Grommet Plier Set - The 401pcs grommet tool kit, These metal grommet are -backing and no need washer. The inner diameter of the metal is 1/4 inch, the outer diameter is 1/2 inch, and the length of the barrel is 1/4 inch, you can use the kit to repair by yourself; confirm the size purchasing. Use of Grommet Kit Tool - First, make a hole the size of grommets on the material to be installed grommets, then place an on the protruding end of the pliers, and then place the material to be punched in between, then simply line up the pliers with here you the to be pressed into, and squeeze the handle to press the . Pay attention to the direction of the buttonhole and the pliers, the wrong direction will cause damage to the buttonhole. Portable & Lightweight Pliers - This pliers with a lightweight design, it is easy to take to any place. The pliers can apply the into a of materials such as fabric, leather, plastic, acrylic, canvas, , and more. Useful Anti-friction Handheld Pliers - The punch pliers are made of Carbon steel, chrome-plated on the surface, the handle of hole punch pliers is plastic-impregnated, which is comfortable to grip, easy to use and effortless. Widely Application of Grommet Kit - pliers kit suitable for leather, canvas, flannel, nylon cloth and other fabrics, used to make clothes, blankets, wallets, belts, DIY, etc Colour: as shown Material: metal Package Contents: 200 x gold 200 x silver 1 x tool pliers Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.