Compact, heavy duty, fuel tester with a double tip screwdriver combo. Measure the presence and percentage of water in aviation (AVGAS) or auto (MOGAS) fuel. Both flat and phillips screwdriver can open and tighten engine cowl screws/camlocks. Suits all types of aircraft fuel drains. Stores conveniently in flight case or airplane map pockets. Delivery Australia, New Zealand, PNG, Pacific Islands.