Heavy duty frame for rugged applications. Longer chassis ideal for truck and SUV. Large front wheels and rear casters for easy maneuvering. Easy alignment over performs specifications, long life, designed for the discriminating professional and it's repairable. Made in the U.S.A. This service jack has a one piece handle and flanged side plates to increase strength. The wide frame provides more stability under a load. The cast iron pump base adds strength and durability. The pressure relief valve prevents overloading. The in-line pump assembly assures long life and no off-center forces for ease in pumping, aligning and reduce wear. The cast iron lift arm allows for heave duty loads. U-joint release mechanism for precise load control.