Great Planes Precision Hinge Marking Tool

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This is a Precision Hinge Center Marking Tool from Great Planes. This Marks Perfect Hinge Slot Locations Quickly and Easily. 


Pivoting Feet Conform To The Surface, Virtually Eliminating Gouging.
Steel Scoring Pin Won't Wear Out Like Plastic Ones.
Can Be Used On Control Surfaces From 1/16" to 1" Thick.
Simple Twist Operation.
Ideal for Use with the Great Planes Slot Machine.


One Precision Center Marking Tool Body
One Threaded Scoring Pin
Two Pivoting Feet


(Original units required an 050 wrench; items shipped after August
of 1999 include a .050 hex wrench)


Control Surface Hinges Must Be Installed In The Exact Center Of The
Surface's leading edge. Just Place the Tool Over the Surface's Edge,
Turn Until its Pivoting Feet are Flush Against Both Sides, Lower
until the Steel Pin Touches the Edge, and Move the Tool Along the
Length of the Surface.

More Information
Part # GPMR4005
Brand Great Planes