Precision-molded design ensures accurate fin placement for stable flights
Adjustable holders accommodate both three and four fin configurations for versatile builds
Compatible with body tubes from BT 20 to BT 80, supporting a wide range of Estes kits
Works with 3/32 in and 1/8 in balsa, basswood, or plywood fins for broad material compatibility
Durable plastic construction withstands repeated classroom or hobby use
The Fin Alignment Guide takes the guesswork out of rocket building, giving you perfect fin placement every time. Its precision-molded design ensures stability and speed, making it one of the most valuable tools in any rocketeer’s workshop. Whether building for fun or performance, this accessory will help you achieve straighter flights and
Material
Plastic
Fin Compatibility
3/32 in and 1/8 in balsa, basswood, or plywood
Body Tube Compatibility
BT 20 to BT 80
Fin Holder Type
Adjustable, supports 3 or 4 fins
Recommended Age Group
School-age children, Teens
Skill Level
All levels
4.5
28 ratings
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Consistent and easy! This tool makes the job of aligning and attaching the fins very easy.
C
Curt · 5 days ago
very useful tool
A very good tool; essential if you need precision and want to be able to do other things while the fins are being glued on.
M
Matias · October 21, 2026
Thanks, I have been building estes rockets scene 1995,just got back in the hobby 2024,i have got a fe6 people into it,a we had 2 good lunch cessons shooting 20 to 30 rockets Thanks for keeping it alive
