Using this affordable segma snap installation kit, you can fasten and attach leather pieces quickly and easily. This kit comes with all the tools required to set segma snaps, including the male and female setters, as well as a hole punch. This package includes a plastic box to keep everything organized and kept, making this complete kit easy to access and securely stowed.The colored copper segma snaps in this set, which come in 10mm and 12mm sizes, are ideal for giving your leather projects extra flair. To attach the button, Simply punch a hole in your leather where you wish your button to be, set the segma button, place the setter appropriately on either side, and strike until the button is seated. Use this kit to attach leather items or flaps on purses or pockets.This set includes:• 100 set segma snaps (gold, bronze, silver, gray)• Setting tools (male, female, base)• Hole punch• Plastic storage box