The 5 stars are for the optics.

Let's go to a Mounting material.
- What should I threaded metric?
- What should I begin with screws that are too short vornerein?
- The brackets are the only thing holding here.

Mounting:
- Seek out screws 5x40 - 6x40 (5x45, 5x XX ...) Self-tapping od wood screws..

Fit:
- Here the fun does unfortunately. Those who are not creative should only buy garnicht to this Indicator set.
- Remedy for fixing (Transparent splash hoses). Transfer and left & right a piece of tubing clean.
- Do not use glue or other sticky, so that you only makes you even trouble pears exchange eg Except her attacks like low;)

Who is creative (Artisan), may buy.