Garlock’s Air Conditioning Jacks easily slide under A/C units and raise them up to 18 in. off the roof deck. Its large 4.75 x 8.25 in. base provides stability, and has a range of up to 6 ft. without extensions; up to 10 ft. with extensions.
The standard Garlock Air Conditioning Jacks come with 4 interlocking jacks with two extension bars.