Estes Bt5/bt20/bt50 Body Tube Couplers (6)

This is the BT5 - BT50 Tube Coupler from Estes. Suitable for Ages 10 Older with Adult Supervision for Those Under 12. COMMENTS: Due to small parts that could cause a choking hazard please keep For your safety and enjoyment, always follow the NAR Model Rocketry Safety Code while participating in any model rocketry activities tlc 10/16/15