
Although packaged at 24,000 RPM (less than 1" diameter), significant vibration was observed, likely due to the 2" length. (Overflow in router/bit increases with longer bits). Just slow it down, mine ran fine at half speed (12,000rpm), take your time and eat less and you'll be happy with the performance. I would give it 5 stars if they included a suggestion to reduce the RPM to get rid of the vibration.

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