The Great Planes Precision Center Marking Tool is the easy way to get perfect hinge locations every time. The unique design of the Precision Center Marking Tool allows modelers to find the exact center of a control surface, for the most accurate and consistent placement of hinges, ailerons and elevators. Modellers will appreciate the advantages of perfectly centered hinges, resulting in uniform control surface performance without binding.
Handy tool scores a line directly down the center of a control surface
The steel pin won't wear out over time like plastic ones, and the pivoting feet conform to the surface, virtually eliminating the gouging effect of a solid pin
Tool is reversible, allowing it to be used on most any size plane's control surfaces.