Professional Jeweler's 18pc Bezel Jewel Setting Punch Set 0.75 to 7.75mm Professional jeweler tool for setting jewels in rings, bracelets, necklaces Includes 18 interchangeable punch heads with hardwood punch handle, adjustable collet Punch sizes .75, 1.1, 1.25, 1.5, 1.75, 2, 2.25, 2.5, 3, 3.25, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7.75mm Beveled punch heads help keep jewel centered; durable tool steel Wooden storage box to keep all pieces organized and easy to identify. Also in 16pc 2.0 - 9.0mm set