Plastic fastener to hold the rear reflector in place on Porsche 911 G-models (1974-1989). These replace the "99959144702 Cage" Porsche part
The idea that M4 nuts (preferably lock nuts) are placed in the back of these. An M10 wrench can be used to carefully tighten the fasteners.
NOTE: These were designed to fit aftermarket (non-OEM) reflectors.
You will need to print 10 of these.
The author hasn't provided the model origin yet.