This 90 degree alignment jig makes model building easy. Slotted for 1/16'', 3/32'' and 1/8'' thick wing ribs. For use on bulkheads, horizontal and vertical tail and fuselage sides. Can also be used as a thickness gauge. Orange plastic construction. One Up-Right 90 Degree Alignment Jig. This is the Up-Right 90 Degree Alignment Jig from House of
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