Plywood or cardboard centering rings for small diameter body tubes. They are used to make motor mounts or to make other part into rocket bodies.
Cardboard centering ring for 24 mm tubes
Package with laser cut centering rings and printed conical adapter for Estes BT5 to BT60 body tubes.
26 cardboard centering rings for your personal designs!
Plywood centering ring compatible with Public Missiles Ltd. body tubes. Use it to mount 29 mm body tubes or motor mount tubes into 38 mm body tubes.
Plywood centering ring compatible with LOC/Precision body tubes. Use it to mount 29 mm body tubes or motor mount tubes into 38 mm body tubes.