Made of heavy, clear plastic and easy to use. Simply insert "Fuel Hawk" until it touches the bottom of the tank. Then place your finger firmly over the top of the opening to lock fuel in the tube. Remove and instantly see a readout in U.S. gallons of usable fuel on a calibrated scale card. (For use in both main and auxiliary tanks.)
Aircraft Fuel Guage specially designed for a Cessna 182 Skylane with 39 gallon long-range tanks (bladder tanks only).