Buckleguy carries solid brass snap fasteners in multiple cap sizes, styles, and finishes. We sell custom made snap tools that fit our cap sizes precisely for our 10mm cap, 12.7mm cap, and 15mm cap. We sell the standard snap buttons in both the s-spring socket and ring socket styles. We also sell hidden cap snap buttons. The snap fasteners are used on all sorts of items such as with purse hardware, clothing, leather, fabric, and much more.