Effortless Single-Handed Operation: Enjoy easy operation with the double level structure, allowing you to operate and press the grommet tool using just one hand. Quick and Efficient Magnetic Mold: Save time with the magnetic dies that securely and swiftly fix the eyelet and washer in place. Enjoy the advantage of simple operation, allowing you to work faster and more efficiently. Portable Lightweight Design: Experience the convenience of this grommet tool kit's special lightweight design, allowing for flexible and effortless use from any angle. Perfect for both indoor and outdoor setup, repairs, and decorating projects. Uncompromising Quality: Built to last, this grommet tool kit features durable high purity metal construction for exceptional longevity. Included are 500pcs eyelets with a 3/8" (10mm) inner diameter, ensuring you have everything you need for your projects. Versatile Applications: Perfect for PVC banners, tarpaulins, garments, bags, cardboard, tents, canvas, awnings, curtains, and cases, among others. Not suitable for use on fabrics, towels, and very thin materials. For thin materials, use double thickness or cover with vinyl to prevent tearing and ripping.