SureWerx 030159 STRONGARM Bottle Jack - Super Heavy Duty - Air/Hydraulic - 20 Ton - Model Number 390SHD

For use in heavy-duty trucks, farm equipment, construction, mining equipment, and other heavy-duty lifting applications. Fast and efficient air pump reduces lifting time and has a built-in relief mechanism which prevents accidental overload. Unique design allows for manual operation when air is not available. Centered pumps and rams with heat treated pistons provide balance and easy positioning. Saddles are made of machine-hardened steel. Longer wear life due to internally machined oil passages, smooth bearing surfaces and close tolerances