Description
Estes 3175 BT5-BT55 Centering Rings, for Model Rockets, (26pcs) (EST3175)
Includes 26 Centering Rings in 5 different sizes. BT5, BT20, BT50 and BT55. Perfect for making your own engine mounts!
Features:
- Varity of Sizes perfect for making your own engine mounts
Includes:
- (26) Centering Rings
