Semroc Balsa Tube Adapter BT-60 to BT-70 SEM-TA-6070
Balsa Tube Adapter is a precision sanded adapter to connect:
BT-60 tubes: 1.6"(4.06cm)
BT-70 tubes: 2.17"(5.51cm)
1.5" Reveal plus 0.1" Straight Up from Tube
Precision Turned Balsa
Made in the USA