Chris E Forest wrote:

Bosch
Pros: motor
Cons: no height lock

The original Bosch had a problem with slight drift in height setting
which could cause a problem when cutting dados or rabbets.

They modified the original design to incorperate a spring that keeps
tension on the height adjustment wheel/axis so it doesn't drift during
use. For those with the original design - there are retrofit parts
available. I had them installed on mine by a local service center.

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