Heavy-gauge steel construction prevents twisting. Wide stance with low center of gravity provides optimum stability. Handle-actuated release valve provides precise load control. High speed air motor raises load effortlessly and safely. Lift Capacity (tons): 20, Min. Lift Height (in.): 7 1/2, Max. Lift Height (in.): 26, Operation: Air / Manual, Base L x W (in.): 62 7/32 x 20 5/16