AirTrans Fuel Test Screwdriver, from ASA

Possible fuel contamination and octane rating should be examined during pre-flight and after each refueling. Airtrans Fuel Test Screwdriver fits all popular fuel drain valves, including recessed type. Molded octane color codes provide quick reference. Reversible slotted/phillips blade screw driver is a handy aid during pre-flight. This is the most popular tester we offer.