The Grainger Approved Hydc Lift Kt w/ Cstr 4 Post is a hydraulic lift kit with a 4 post design. It has a lifting capacity of 7,000 lbs and a maximum lift height of 72". The kit includes 4 columns, 4 adjustable arms, 2 hydraulic cylinders, and a power unit. It is designed for use with heavy duty vehicles and equipment. The lift features welded steel construction and a powder coat finish for durability. Safety features include an integrated locking system and hydraulic velocity fuses. This is an ideal lift kit for auto repair shops, fleet maintenance facilities, agriculture/construction companies, and other commercial operations.