Patented bypass device protects against over pumping, Heat treated critical stress areas ensure long life performance, Adjustable top screw to accommodate work heights, Ideal for auto, truck service, farm and shop use, 40,000 lb capacity, Lift range: 7-1/4"" to 13-3/4"", Steel lifting saddle grooved for load gripping power, Folding handle for easy transport, SKU: ISN16356