Arcan ALJ3T Aluminum Floor Jack - 3 Ton Capacity 3-ton capacity while only weighing 56 pounds Reinforced lift arm for added strength, chassis torsion control and durability Dual pump pistons for fast rising action, 3.6" to 19.4" Piston dust shields to prevent hydraulic contamination Bypass and overload valves prevent over-extension of hydraulic ram and jack use beyond rated capacity.4.6 inch saddle