Matjack High Pressure Air Lifting Bags require only 1" clearance and can lift several tons with the touch of a button. Matjack High Pressure Air Lifting Bags are available in a variety of sizes and range in lifting capacity from 1.5 tons to 86 tons. The Matjack Air Lifting Bag System is efficient, economical, safe and reliable. Matjack high pressure air lifting bags are made in the USA, are ISO and CE Certified and best of all come with a 5 year unconditional warranty!