Spax Screw Hook, Wall Hook

The model allows to install wall hooks with covered screws. You can choose which kind of hook you want and going for it.

The press fit / interference fit makes the connection tight while there is still no need to use tools to connect and remove the hooks. Only the holder / base plate needs a screw to install it.

Update

1. Length of all hooks (distance between wall and visible outer surface of hooks) is now equal (2023-05-02). 
2. Pictures of a black filament print, install and stress test uploaded (4.5 kg are no problem as seen in the pictures, 2023-05-02).