DLE20 gas engine spinner

Make for DLE20 gas engine.
Normal cheap plastic spinner bulkhead is easy to deformed when tighten the bolts, make spinner disalignment while it's working. Metal spinner is too heavy and carbon spinner is too expensive.
This spinner you only need to tap a M8 thread on the back then screw it by hand, easy to put and remove.
You shall only use one nut in order to put this spinner on.