Vehicle load is centered between the columns to maximize lifting capacity. Truck and van doors can open fully ahead of lifting columns, making access to the interior and under-dash areas easier. 78in. rise. Model S9i. Both columns feature dual controls with soft-touch single-hand operation. Air and electrical, lockable disconnect switch. Other features include three-position flip-up adapters, 'double S' column design that virtually eliminates distortion, self-lubricating slider blocks of Tivar® 1000 polyethylene, and high-pressure cylinders in each column for maximum lifting force and smooth operation. Truck ship. U.S.A. Factory shipped.