Operate manually or pneumactically with as little as 60PSI Convenient carrying handle and a 360 degree swivel air hose allows for easy transport and operation Automatic release valve prevents accidential overloading Saddle extention provides additional lifting ranges with support and stability Ideal for a wide variety of tasks for automotive, trucks, construction sites and commercial/industrial work Manufactureed to strict ANSI portable automotive lifting device specifications and testing standards Lift Range: 9-1/2" - 18-1/2" Handle Length: 21" Base Dimension: 8-3/8" X 7-1/4" Extension Screw: 3.15"