In article ,
The Medway Handyman wrote:
A wooden wedge would give you total control, as a real craftsman, over
any adjustments, Imperial (preferably) or metric

It wouldn't give you anything like total control. It would fall out if
you backed off the fixing. And can't be adjusted if its too small or
too big.

You use two - one from either side - which gives infinite adjustment up to
the maximum of the wedge.

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*Could it be that "I do " is the longest sentence? *

Dave Plowman London SW
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