Fits ST-20 tube

Semroc Coupler for ST20 tubes 4" length(1pk) Craft Paper SEM-CPL-ST20-4 *

Semroc Coupler for ST20 tubes 4" length(1pk) Craft Paper     SEM-CPL-ST20-4 ID 1.952…

Semroc Tubing Coupler ST-20 2.00" Long Small Hole Punched SEM-HTC-20P *

Semroc Tubing Coupler ST-20 2.0" Long Small Hole Punched SEM-HTC-20P Rice Paper Tubing Couplers are …

Semroc Tubing Coupler ST-20 2.00" Long SEM-HTC-20 *

Fiber Tubing Coupler is a precision tube used to connect two ST-20 series tubes together.

Semroc Balsa Tube Coupler ST-20 SEM-BTC-20 *

Semroc Balsa Tube Coupler ST-20  SEM-BTC-20 Balsa Tube Connector is a precision sanded block to…