With the Bass Pro Shops® Manually Operated Brass Oil Transfer Pump, it's quick and simple to remove and refresh your vehicle's oil. Perfect for boats, off-road vehicle, RVs, autos, and more, this simple device from Bass Pro Shop extracts motor oil straight out of the engine's dipstick tube and out of the engine's crankcase. This easily portable, hand-operated oil pump is made of solid brass for years of money-saving oil changes. Makes it easy to remove and refresh vehicle's oil. Perfect for boats, off-road vehicle, RVs, autos. Removes oil through engine's dipstick tube. Easily portable and easy to use.