Esco 10771 3 Stage Hydraulic Heavy Duty 50 30 15 Ton Impact Sockets Esco Yellow Jackit 20 Ton Esco Yellow Jackit 20 Ton Air Hydraulic Bottle Jack Welded base and cylinder to assure strength and eliminate leaks Chrome plated pump piston and ram for added rust resistance Extension screw gives added height when necessary Return Springs for Faster descent Lifting Capacity 20 Ton Air Pressure 100 145 PSI Min Ken Tool Classic Truck Tubeless Tire Iron 37 in Esco 50 30 15 Ton 3 Stage Hydraulic Heavy Duty Jack Designed for lifting Low Buses and other Low clearance vehicles Maximum Stability Convenient Usage 3 Stages Lifting Capacity 50T 30T 15T Air Pressure 90 130 PSI Min (50 Ton) 2