Low Profile Air/Manual Jack,20 Ton, Jack Type Low Profile Air/Manual Bottle Jack, Load Capacity 20 ton, Lifting Actuator Extension Screw, Maximum Lift Height 3 in, Power Source Air/Mechanical, Minimum Height 7 in, Extended Height 12 in, Features Designed for Operating Either Manually or Pneumatically, Extension Screw Gives Added Height When Necessary, Heavy Duty Design Makes Them Ideal for a Wide Variety of Automotive, Truck, Industrial and Construction Work, Handle Type Pump Handle