air jack lift weight:2.5MT Min height:135mm Max height:450mm air pressure:5-10kgs Air Jack Specification1,Lift Weight:2500kgs2,Gasbag Diameter:250mm 3,Airbag Burst Pressure:3.0Mpa4,Min Height:135mm 5, Max Height: 450mm6, Air Pressure: 5-10kgs7, Bottom Control Valve’s Switch8, Control Valve Will Release The Pressure Automatically When Air Pressure Reached 2.6MpaAir Jack Warranty: 12 months,We only ...