Quote Originally Posted by IB
put them face to face and there is still a gap of about 1mm between them in the middle
Thats fine, its only .5mm dip which can be set flat while installing the blades.
Throw away the factory setting device they will only work with perfectly straight blades...
Watch this!

There's another vid Im trying to find pacifically on thicknessor blade setting involving setting blades flat along the length by bending them.

Ah ha found it