The Cornwell Truck Jacks are available in two capacities: 5-ton (No. CSETJ500) and 10-ton (No. CSETJ1000). These jacks' front wheels feature roller bearings and the rear casters are ball bearing mounted for stability and easy maneuvering. Hydraulic power unit constructed for increased strength and leak prevention. The heavy gauge steel side plates prevent twisting, and wiper seals protect hydraulic system from contamination. Overload and bypass safety valves prevent use beyond rated. Lever allows handle to be locked in three positions.