Fast Air Lift in Seconds: The air jack lifts 5.5-17.7 in/140-450 mm under no load. It raises your car in 1-6 seconds when connected to an air compressor, great for tire changes, undercarriage repairs & oil swaps. Use with a jack stand for long support 3-Ton Heavy Load Capacity: This airbag jack supports up to 3 tons/6613 lbs, suitable for sedans, SUVs, pickups, and light trucks. Its reinforced triple-layer airbag and widened base plate ensure strong, stable lifting performance Controlled & Safe Descent: The air bag jack features six heavy-duty steel pipes inside, each with a shorter stroke for smooth, steady lowering and precise height control. It stops sudden drops, distributes weight evenly, and avoids deformation or tilting Moves Easily Under Vehicles: Equipped with an adjustable-angle handle and rubber wheels, the car air jack can easily slide under your car or reach deeper support points at 45° or 180° angles. The 90° position makes it compact and convenient for storage Secure Vehicle Support: The top of the air lift jack includes a thick rubber pad that grips the car's contact point firmly for a non-slip, chassis-safe hold. The valve comes with 1/4-inch US and EU couplers, compatible with 0.8-1.0 MPa air compressors