High quality plastic material and equipped with replacement partsThe oil injector is made of high quality EPDM, durable material, built-in double rubber pads, tightly fit the plunger to prevent leakage, 2 spare rubber rings to extend the life of the oil pump. Easy to clean and reusable. [LOCKING DESIGN] Simply push the hose into the end of the pump and it will automatically lock into place. So you never have to worry about it tearing or blowing out when filling something with the pump. The extended syringe hose makes it easy to pump or inject fluids, and the hose is removable. EASY TO USEUsing the simple syringe-style action of a manual fluid extraction pump allows you to quickly and easily extract and refill fluids in both directions with the differential extractor dispenser. Ideal for emptying or filling the main tank and other tanks, the clear bottle with a graduated scale allows you to check the status of the extracted fluid at any time for better control of the amount extracted. Widely UsedIdeal for extracting or replacing engine oils or lubricants from all-terrain vehicles, marine vessels, agricultural equipment, industrial gearboxes, motorized vehicles, motorcycles, RVs and more. Suitable for engine oils, gear oils, transmission oils including chemical resistant oils, brake fluids, diesel fuel, coolants, hydraulics and water. Speed & Quality Local warehouse, fast shipping, immediately available.