The Hydraulic Floor Jacks is Great for use in garages and for heavy-duty industrial applications.also as a kind of Hydraulic Tools,Its characteristics are as follows: 1.2-piece extended handle for efficiency 2.Moves into position easily with two 360° rotating rear casters 3.Robotically welded construction of high-grade steel and built to exacting standards for quality and durability 4.Built-in safety overload system prevents use beyond rated load capacity 5.Lead-free paint is applied after a thorough chemical wash to ensure a long-lasting finish and to help prevent rust 6.Paint is oil, grease, and dirt-resistant for easy cleanup 7.High quality large diameter hydraulic steel cylinder unit results in lower oil pressure needed to raise the load, helping to reduce wear and extend service life 8.100% factory vertical load tested for reliability and safety.Meets and complies with ASME safety standards More information can view Auto Tools Depot.