• High-quality spiral wound paper tube for single stage rockets
• Capable of handling our 29 mm model rocket engines
• Light-weight, yet durable – perfect for payloaders

Tube coupler pack for the large tubes BT-55, BT-56, BT-60 and BT-80.

• FAST & ACCURATE fin alignment
• Great for three or four finned rockets
• Fits body tubes ranging from BT-20 to BT-80

• Gets it straight, every time
• Allows for accurate and consistent fin placement
• Works will all Estes body tubes

High quality spiral wound paper tubes for kits using the BT-60 body tube.

High quality spiral wound paper tube for kits using a BT-5 body tube.

• Heavy duty engine mounts for the D and E engines
• Contains enough parts to mount two engines
• Includes 19 individual parts
• For use with 24mm motors

Tube Couplers! 6 pieces. 2 popular sizes.
2 each : BT55 – 1.25 inches long
2 each : BT60 – 1.5 inches long
2 each : BT60 – 3 inches long