This 3 Ton Triple Bag Air Jack with the design of Compact and Lightweight provides quick up and down positioning. It is the easiest and fastest way to install pinch weld clamps on the frame machine. By the way, you can use a triple bag jack on your frame or alignment machine, or on the floor. Fast, easy and convenient tool. This is a must have for any body shop, especially if you have a drive on frame machine. Fast, easy and convenient tool. This is a must have for any body shop, especially if you have a drive on frame machine Capacity: 6600 lbs. (3 ton), Height Range: 5.5'-16' (14-40 cm). Safety pressure release, this jack is rated at 3000kg, better to be safe. It holds the air/ position very well and can jack very quickly or very slowly depending what you want. Specifications: Material: Steel Rubber Capacity: 6600lb (3 ton) Type: Triple Bag Air Jack Vehicle Type: ATV, Passenger Vehicle Minimum Lift Height: 5.5' (14cm) Maximum Lift Height: 16' (40cm) https://www.5startools.com/tools-1/triple-bag-air-go-jack-3-ton-auto-body-frame- machine-rack-pinch-weld Tel: (773) 386-4806 Tel: (773) 225-5979 KAMRAN