Axel Jack, Jack Type Axle Jack, Load Capacity 22 ton, Body Material Steel, Lifting Actuator Hand Held Air Actuator, Minimum Lift Height 8 1/4 in, Maximum Lift Height 21 1/2 in, Power Source Air/Mechanical, Minimum Height 8 1/4 in, For Vehicle Type Bus, Rail, Truck, For Lifting Truck Trailer, Extended Height 21 1/2 in, Features Cylinder Delivers Maximum Strength, Efficient Operation, Fully Welded Hydraulic Pump, Leak Free Operation, Specially Engineered Air Motor Delivers Fast