Set of three retainers for 18 mm motors. These inexpensive retainers allows to replace a motor very quickly and keeps the motor in place firmly and positively.
These retainers can be used with any 18 mm motor, either Estes or Aerotech, both single use and reloadables.
To glue the threaded base on the motor mount tube you need an epoxy glue, cyanoacrilate or plastic cement.

Includes:

3 Retainer bases
3 Retainer caps