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Tube Couplers! 6 pieces. 3 popular sizes.
2 each : BT5 – 1 inch long
2 each : BT20 – 0.75 inches long
2 each : BT50 – 1 inch long
Includes 6 Tube Couplers in 3 different sizes. BT5, BT20 and BT50. Perfect for connecting 2 body tubes of the same size together!
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Estes continues to ignite the imagination of each new generation with industry-leading model rocketry products and education.