Snap Button Kit Includes: 50 pairs of snaps kits, each pair has 4 small parts, caps, washers, sockets and studs, also comes with 4 installation tools. These will be packaged in a transparent plastic box, convenient for your storage and use. High Quality Material: The snap button is made of alloy, high quality and not easy to rust, long service life, suitable for indoor and outdoor use, even in wet environments. Simple Installation: This metal snap button kit is very easy to install and use, after you are familiar with the 4 installation and punching tools, you only need to tap hard, even a beginner can easily learn to use it. Precautions: Snaps are suitable for thick to medium weight fabrics, not for thicker or denser fabrics or silks. The snap fasteners cap has a diameter of approximately 10mm/0.39 inches. Please refer to the dimensional diagram to confirm that the snap button is the size you need. Wide Range of Applications: These leather snaps can be used to make leather handicrafts, clothes, shoes, hats, canvas, belts, backpacks and more, can fulfil your various leather decorative demands or clothing repair supplies. Material：Alloy Package includes: 50 pairs of leather snaps, 4 installation tools Note: Suitable for light to medium fabrics, not for thick fabrics Avoid using excessive force to cause deformation