American Forge & Foundry Hydraulic Bottle Jack, 20 Ton, Super Duty, Air

Welded tank and frame for stronger performance in rough service conditions and in the case of off-center loading. 1-1/8" thick base provides stable lifting platform on poor surfaces. high-strength steel ram and cylinder supported by a longer ram guide better safety in off-center load conditions. internal release screw heavy duty internal release screw is protected by base design to avoid accidental release/damage. proven air motor quality tested and field tested to ensure consistent, reliable operation. can be operated by either air or manually; handle included; hose swivels for ease of operation; asme / pase 2014 compliant. 1 year limited warranty.