BT-20 tubes

Semroc Balsa Tube Adapter BT-20 to BT-50 2" Long SEM-TA-2050

Semroc Balsa Tube Adapter BT-20 to BT-50 2"(5.08cm) Long  SEM-TA-2050 Balsa Tube Adapter is a p…

Semroc Balsa Tube Adapter BT-20 to BT-50 1" Long SEM-TA-2050A

Semroc Balsa Tube Adapter BT-20 to BT-50 1"(2.54cm) long   SEM-TA-2050A Balsa Tube Adapter…

Semroc Balsa Tube Adapter BT-5 to BT-20 SEM-TA-520

Semroc Balsa Tube Adapter BT-5 to BT-20  SEM-TA-520 Dimension: BT-5 = 0.51"(1.30cm) BT-20 = 0.…

Semroc Balsa Tube Adapter BT-20 to BT-70 SEM-TA-2070 Discontinued

Semroc Balsa Tube Adapter BT-20 to BT-70  SEM-TA-2070  Balsa Tube Adapter is a precision s…

Semroc Balsa Tube Adapter BT-20 to BT-60 SEM-TA-2060

Semroc Balsa Tube Adapter BT-20 to BT-60 2.0"(5.08cm) Long  SEM-TA-2060 Balsa Tube Adapter is a…

Semroc Balsa Tube Adapter BT-20 to BT-58 SEM-TA-2058 Discontinued

Semroc Balsa Tube Adapter BT-20 to BT-58  SEM-TA-2058 Balsa Tube Adapter is a precision sanded …

Semroc Balsa Tube Adapter BT-20 to BT-55 SEM-TA-2055

Semroc Balsa Tube Adapter BT-20 to BT-55  SEM-TA-2055  Balsa Tube Adapter is a precision s…