1. OUTSTANDING DURABILITY Our eyelet punch tool, crafted from QUALITY carbon steel, is designed for exceptional durability and a long lifespan. Enjoy consistent performance whether you're working on leathercraft projects or other fabricrelated tasks. 2. VERSATILE MULTIPLE SIZES Available in various sizes to meet your specific eyelet needs. Choose the right tool for your project, including this 4mm option. for a variety of crafting and tasks. Adaptability is key to successful crafting. 3. EASY TO USE The userfriendly design ensures effortless operation and convenient portability, making it a handy companion for any project. The comfortable grip enhances precision and reduces hand strain during repetitive tasks—a must for professional results. 4. FIT The specified sizes match the inner diameters of the eyelets; if you need to attach 4mm eyelets, this 1504mm tool is the ideal choice. Precise sizing ensures accurate and hassle eyelet installation.