This heavy-duty snap kit includes eight sets of flat, round, silver buttons with a diameter of 5/8 inches (1.6cm) and three tools. The kit is made by Prym Sewing and is great for use in sewing and crafts projects. These snaps are perfect for closures and connectors and are easy to install with the included tools. Whether you're a professional tailor or a DIY enthusiast, this snap kit is a must-have for your collection.