Features and Benefits:•28” throatcan handle larger panels than the MH-19 can.•Stretches, shrinks, and planishes up to16 gaugemild steel.•Variable speed from0 to 1,000 beatsper minute.•Runs on120 psicompressed air.•Regulator on the side lets you control the airflow.•Air-powered system ismuch quieterthan a mechanical machine.•Foot pedal operationkeeps your hands free to move the material.•Quick-release handleon the front allows you lift the tool up and take the material out.Shrink and stretch with air! The compact,USA-madePH-28Ahits much harderthan traditional pneumatic power hammers. You can even use athumbnail shrinker die(included).