Semroc Mylar Retaining Ring for BT-20(1pk) SEM-HR-20
Spiral Wound Clear Glassine
Used to hold down a motor hook on a BT-20 body tube
Made in the USA
A must have.
Semroc Fiber Block BT-20(1pk) SEM-FB-20 Fiber Blocks are used as lightweight plugs, or end caps for Official Competition Payloads.
Semroc Tubing Outside Coupler/ Retaining Ring for BT-20, 1.0" Long(1pk) SEM-JT-20B Spiral Wound Gray Rice Paper Coupler
Semroc Tubing Coupler BT-20 2.75" Long (1pk) SEM-JT-20 Fiber Tubing Coupler is a precision tube used to connect two BT-20 tubes together. Can be used as a spacer to glue in the motor retainer ring.
Semroc Centering Ring Plywood BT-5 to BT-20 by 1/4"(1pk) SEM-CR-5-20-1/4P Plywood Ring for centering a BT-5 motor tube inside a BT-20 tube
Semroc Fiber Block BT-20(1pk) SEM-FB-20 Fiber Blocks are used as lightweight plugs, or end caps fo…
Semroc Tubing Outside Coupler/ Retaining Ring for BT-20, 1.0" Long(1pk) SEM-JT-20B Spiral Wound Gr…
Semroc Tubing Coupler BT-20 2.75" Long (1pk) SEM-JT-20 Fiber Tubing Coupler is a precision tube use…
Semroc Centering Ring Plywood BT-5 to BT-20 by 1/4"(1pk) SEM-CR-5-20-1/4P Plywood Ring for centering…
