- Parts from Semroc
- Semroc Centering Rings
- Semroc Centering Ring #7 to #9 (Pkg of 6) SEM-CR-7-9EH *
Semroc Centering Ring #7 to #9 (Pkg of 6)
Featherweight laser-cut fiber rings which center a #7 series tube inside a #9 series tube. Especially useful for making a standard engine mount for #9 rocket bodies or adapting a standard engine to a 24mm tube. Requires two per engine mount. Thickness is .090".