FAQ on glare shields :

How large of a monitor I can place on to the glare shield?
- The weight limit is 30 kg, or 66 lbs, for the Viper I. For heavier monitors, you will need to provide additional structural support of your own design.

Are the dimensions accurate?
- Yes indeed!

How are they mounted?
- They are mounted with hexagonal screws on the Viper I, which are provided with the glare shield.

Do they fit the older Mk I cockpit?
- No, you would have to modify your pit significantly. It can be done, but be prepared for some sweat and dust ;)