Smart pilots know that aviation safety begins on the ground. With our aircraft fuel tester, you'll avoid unwanted aerial surprises by catching and removing impurities from your fuel while safely on the ramp. The transparent tool measures 4.5" (11.4 cm) long by 1" (2.5 cm) in diameter and features both Phillips & slotted screwdriver heads – ideal for additional preflight duties. Also includes a color-coded octane chart in the molding. Fits both petcock and pin-type fuel drains. Made by Daansen.