Estes 3175 BT5-BT55 Centering Rings, for Model Rockets (26 Piece)
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Estes
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Estes 3175 BT5-BT55 Centering Rings, for Model Rockets (26 Piece)
- Steel engine hook designed for 29mm model rocket motors
- Provides secure motor retention without tape or friction fitting
- Easy-release tab allows quick engine removal after flight
- Reusable design for multiple launches and builds
- Ideal for high-power scratch builds, upgrades, and motor mount repairs
Includes 26 centering rings in 5 different sizes. Bt5, Bt20, Bt50 and Bt55. Perfect for making your own engine Mounts! 26 centering rings8 each. Bt5 to Bt20.4 each. Bt5 to Bt50.8 each. Bt20 to Bt50. 2 each. Bt20 to Bt50 - 1 inch long. 4 each. Bt50 to Bt55.
