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Building model rockets and want your fins straight every time?

This Estes Fin Alignment Guide is the tool you need.

It's designed for rockets with 3 or 4 fins—just set it up and your fins will be perfectly aligned.
No more crooked fins causing wobbly flights.

Made by Estes, the big name in model rocketry.
MPN is 2231, UPC is 047776022317.

It's brand new, in original packaging.
The color may vary, but who cares as long as it works?
Whether you're a beginner or a seasoned rocketeer, this jig makes fin installation a breeze.
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Get straight fins and better flights with the Estes Fin Alignment Guide.

4 out of 5