This Small Punch Set is made of tempered chrome plated steel and is perfect for when punching through leather. It has the most used sizes of tubes for snaps, rivets, grommets, belts, eyelets, and more. It also includes a handle, wrench, and six interchangeable tubes (6/64", 3/32", 1/8", 9/64", 5/32" and 11/64").