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- Parts for Rockets
- Centering Rings
- BT-20
- Semroc Centering Ring BT-20 to #20(6pk) SEM-CR-20-20 *
- Home
- Parts for Rockets
- Centering Rings
- ST-20
- Semroc Centering Ring BT-20 to #20(6pk) SEM-CR-20-20 *
Semroc Centering Ring BT-20 to #20(6pk) SEM-CR-20-20 *
$3.79
Product Description
Semroc Centering Ring BT-20 to #20(6pk)
Laser-cut rings for centering a BT-20 tube inside a #20 tube.