803-piece rivet tool set 6mm 1/4-inch (hole size) rivet set, including 400 rivets, 400 washers and rivet pliers, suitable for leather/belts/shoes/handicrafts

MATERIAL COMPATIBILITY & WARNINGS: Ideal for 1-3 mm thick materials like leather, paper, cardstock, and thin tarps. Designed for decorative, light-duty use. CRITICAL WARNING: NOT SUITABLE FOR FOAM BOARD, FABRIC, OR CLOTH. These soft, thick materials cannot provide the necessary support for the tool, preventing the jaws from closing properly and risking damage to the pliers' handle

• Precautions for Use – Inside Dia: 6.4mm / Outer Dia: 12mm (A.I.S.) / Flange Width: ~3mm. An error range of 0.1 mm to 0.3 mm is normal. Please choose the right size that you need according to the product dimension description. Please pay attention to the direction of the buttonhole and the pliers, the wrong direction will cause damage to the buttonhole and make pliers handle bend. Add the washer to the grommet, which can help make eyelets stronger, not easy to loosen. The bottom of the eyelets is flowering design, it is not a defective effect
• Practical Grommet Eyelet Plier Kit - 803pcs grommet tool kit 6mm(inside hole size) included 400pcs 6mm small metal eyelets in silver color, 400pcs matching metal washers, 1* handhold eyelet punch pliers, 1 * hole punch, 1 * user manual. The matching washers will help your eyelets to be stronger and less likely to come loose. You can easily use the grommet kit to DIY by yourself; please confirm the size before purchasing
• Comes with Use Manual - This eyelets pliers kit comes with a detailed graphic version user manual that can help your DIY works more easily and efficiently. Please pay attention to the direction of the buttonhole and the pliers, the wrong direction will cause damage to the buttonhole
• 400Pcs Small Eyelets Washers - This 1/4 grommet eyelets pliers kit comes with 400pcs metal eyelets washers in silver, which can help make eyelets stronger, not easy to loosen. There is also a detailed manual to help you better use the eyelets pliers set