Professional jeweler tool for setting jewels in rings, bracelets, necklaces, Includes 18 interchangeable punch heads with hardwood punch handle, adjustable collet, Punch sizes 2, 2.75, 3, 3.75, 4.5, 4.75, 5, 5.25, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9mm, Beveled punch heads help keep jewel centered; durable tool steel, Wooden storage box to keep all pieces organized and easy to identify.