The old steel floor jacks were always built like tanks and had huge lifts but they wouldn't fit under low sung cars. About 15 years ago for $100 in KW at Princess Auto I bought their PowerFist brand aluminum 2 1/2 ton, dual piston refillable, and it has seen a huge amount of work as my son was repairing and selling cars continually for a good while. Never know what your getting. It's probably my best tool purchase. Should have bought two.