Used for industrial purposes, capacity of 4 tons. Double piston pump, 5 times the lifting speed of a single pump. Built in safety overload system to prevent overload use. The hydraulic garage floor jack can be used for general or heavy-duty industrial use and features a 4 ton 8, 000 lbs. With a lift range between 3-7/8 in. You can gain easy access under low-profile vehicles. It's constructed of durable, high-strength steel and has a powder-coated finish for rust resistance. The dual piston pump lifts loads 5 times faster than a single pump and is ideal for most cars, trucks...