Hydraulic Foot Pump

For pressing, production, and general shop tool work, it’s an intermittent portable pump. It’s built for foot-controlled operation with a 3-position treadle so you can advance, hold, or retract as needed.

Yeah, that's exactly how it works. Shop air drives the pneumatic side, which in turn builds hydraulic pressure up to 10,000 psi. To run it properly you'll need a supply delivering 10 CFM at somewhere between 60 and 150 PSI. Most shops with a decent compressor and a half-inch line won't have any trouble meeting that. Just make sure your air supply can keep up with demand if you're cycling it frequently.