The jack is new. The box was opened to make sure everything was there. Please let me know if you have any questions. 20 TON JACK PUMP PARAMETERS—Output: 20ton; Self height: 4.1″; Max stroke: 2″; Inner diameter: 2.56″ Outer diameter: 3.34″; Weight: 9.6lb. CP-180 pump with oil pressure gauge: Oil capacity: 400cc; High pressure: 60kg/cm²; High pressure flow: 20cc; N. 2 INCH STROKE&VISIBLE GAUGE—The spindle of this jack is smooth and it can be jacked up quickly without blockage. When using the jack for the first time, press the handle a few more times to release the air inside the jack before it can slowly rise. The built-in sealing ring can protect the spindle when the stroke is maximum. The pump body is equipped with a visual pressure oil gauge, which allows for observation of pressure changes when the jack is loaded, making it more reliable to use. EASY OPERATION&COMPACT DESIGN–Before use, tighten the oil return switch of the hydraulic hand pump clockwise, press the handle and the jack will automatically lift up. Loosen the switch after use, the jack automatically will retract without blockage. The jack is not limited to the direction of use. It can be also be used horizontally and upside down, applicable to various occasions. The overall design of this pump and jack combination is compact, easy to handle, and suitable for outdoor work. DURABLE&RELIABLE MATERIALS—The surface of this jack has lacquer treatment, not easy to rust; the surface of the spindle has a chrome-plated treatment, which has longer service life. The jack circle marks are obvious and will not burst when jacked up. The handle of the hydraulic pump has a rubber design, which is anti slip and more durable. This jack is capable of lifting, jacking, straightening, assembly, pressure experiments and other work. But this jack is not designed for car. This cp-180 hydraulic pump can also be paired with other suitable split hydraulic tools to complete more different work tasks.