![Everdon Rocketry plywood upgrades for Doorknob 9720 29mmt version](http://everdonhobbies.com/cdn/shop/files/FullSizeRender_{width}x.heic?v=1692314656)
Everdon Rocketry plywood upgrades for Doorknob 9720 29mmt version
Everdon Rocketry Doorknob plywood upgrades 9720
made from 1/8” birch plywood. Theses upgrades are more resistant than your standard Balsa fins
3x Centering ring size 29mm
4x Fin upgrades
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