Compound Leverage For Easy Operation * 7 Different Sizes Of Precision Round Holes In Aluminum, Plastic, Brass * Dies Are Made Of High-Carbon, Hardened Steel HRC50-52 * Punch Tool Is Made Of Drop-Forged, Heat Treated Steel * Tool Handle Is 8 1/2 Inch Long With 2 Inch Throat - Adjusting Key & Blow Molded Case Included