Features class-leading 27.5 ton capacity Robust design with completely sealed piston reduces likelihood of contamination of hydraulic fluid. Ergonomic handle design provides convenient location of air valve and release knob. Incorporates both hand release knob and venturi vacuum system for power return with no load. Four-position handle includes 'stow away' position for convenient storage. Maximum height of 21-3/8 inches when used with screw extended and large adapter. Complies with latest ASME/PALD standards. Minimum retracted height (with saddle): 8-1/4" Maximum lifting height (with saddle only): 13-1/8" Maximum lifting height (with screw extended & large adapter): 21-3/8" Stroke: 4-15/16" Large adapter length: 3-15/16" Screw extended length: 4-3/4" Handle length: 48-3/4" PSI range: 90 to 175 psi.