Portable electro-hydraulic punch with 22 tons of punching pressure can quickly punch through 3/8" materials in 2 seconds. Easily confirm the hole position with the jog down feature. Punch automatically returns to the starting position after the punching cycle is complete. If punch ever resists returning to the home position, squeeze the trigger for power feed return. The 75004R is a self contained unit that only requires 120V power. There is no separate hydraulics or power packs required. Includes: work stand, foot switch, 11/16" punch & die, tool kit and carrying case.