Model or Color May Vary - Capacity 20 Ton - Designed for Fast Lifting and Convenient Servicing of Vehicles. Dimensions: Base: 8-1/2" x 7-3/4" Min. Hight: 10-1/4" Max. Hight: 19-1/2" Features: - Reasonable Structure, Easy operation, Safe and Reliable Use. - Operates Manually or With Air. - Safety Overload System Prevents Jack From Being Used Beyond its Rated Capacity. - Small Dimension, Large Carrying Capacity, High Pressure Resistance Performance. - Lifting Range : 10-4/9" to 20-1/16" - The Mini Air Input: 0.7Mpa, Max air input : 1.0Mpa Weight: 50 Lbs