The 3628 Bench Press is a 25-ton (22.7 metric ton) air-actuated laboratory pellet press that accepts 13 mm, 31 mm, 35 mm, and 40 mm pellet die sets. It can be operated off an air compressor or a tank of compressed air. Its patented air-actuation system combines ease of use of a motorized press with the simplicity of a manual press. The Bench Press includes a safety door with interlock and its compact design is ideally suited for laboratory bench top applications.