Retail Price: $0.99
Our Price: $0.79
ModelRockets.us BT-5 to BT-20 Fiber Thrust or Centering Ring 2 Pack - Two Kraft Fiber rings that can be used as BT-20 Thrust Rings or to center a BT-5 Tube into a BT-20 tube.
Price is per pack of 2.
Model rocketry is recommended for ages 10 and up with adult supervision for those under 12.