Set Contents: Arc End Punch Set of 10 Material: Iron This is a set of 10 arc end punches for leathercraft. You can use these to create original wallets, business card holders, smartphone cases, etc., and they are suitable for a wide range of users, from beginners to advanced crafters. The product has sharp edges, so please store it out of the reach of small children. When punching holes, place the material on a sturdy surface such as wood, lay a cutting mat on top, and strike with a shockless hammer, etc.