The Cal Hawk Lever Action Barrel Pump is a durable and efficient solution for transferring diesel, fuel, or oil from a 55 gallon drum tank. With a lever action power source, this pump provides a maximum flow rate of 9oz per stroke, making it a convenient and effective tool for various industrial and business applications. Its inlet and outlet diameters are designed to accommodate easy and precise pumping, ensuring a smooth and efficient transfer of fluids. Ideal for use in hydraulics, pneumatics, pumps, and plumbing, this hand pump is a reliable tool for pumping and transferring liquids.