Tube coupler for BT-20 (18 mm) tubes - 2 pcs.
Couplers for Estes BT-20 rocket body tubes (2 pcs.)
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This kraft cardboard coupler tube is needed when you want to join two Estes BT-20 (18 mm) body tubes in your personal rocket projects or modifications.
Bag of 2 pieces
Couplers for Estes BT-20 rocket body tubes (2 pcs.)