They are used to support a semitrailer and prevent tipping during the loading and unloading process while the semitrailer is not coupled to the tractor unit.
Description:
Painted in safety yellow for increased visibility.
Complies with OSHA1910.17
Features reversible ratchet screw to raise or lower.
Static Capacity: 45 ton
Lift Capacity: 22.5 ton
Height Adjustment: 987.5 - 1275 mm (26.5 - 1275 in.)