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Compatible with rockets ranging from BT-5 up to 4” and fins of any width, the RoysRockets Fin Jig provides a secure guide for gluing up fins. Attached aluminum angles, leg supports, and all necessary hardware are included for convenience. Quickly and easily set the guide width to your chosen fin, attach the jig to the body tube with rubbe
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12 ratings
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Fin jig
I bought the Roy's Rockets 🚀 fin jig as I am very old about fin alignment on my rockets. The fin jig worked perfectly and was really easy to use. I am very happy with this tool.
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Rick · June 21, 2026
Fin jig
Used the jig for the first time and it takes some getting used to but once I became familiar my 8 fin Estes Red Nova turned out flawlessly. Looking forward to more projects with this tool.
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Daniel · May 21, 2026
RoysRockets Fin Jig
I bought the medium size. Great product!! Easy to use and fins come out perfect every time! I wish I had bought this sooner!