This custom made Heavy Duty Model and High Power Rocketry Fin Alignment Jigs are Precision CNC Machined from 6061-T6 Aluminum. These jigs can even help with thru-the wall (TTW) designs, like Aerotech and others, by assuring that the fins protrude from the slot perpendicularly, thus controlling the rotation of the Motor Mount assembly relative to the slots in the body tube.

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