the big B
you'll find it in the spirit level isle of your local Bunnings.
Cant remember the title on the box, (think it said "digital angle meter") but its a silver cube about 50mm X 50mm X30mm with a magnetic bottom.
It reads to 0.1 degrees. I just leveled the mount with it, then magnetically attach it to the top of the scope body and dial the altitude in with the alt. control of my GEM.
Rider
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