> I wouldn't get anything besides a heavy duty one for any piano which is > frequently moved. Then it needs to be well mounted, or they'll tear out > the mounting screws/bolts........... > les bartlett Inevitably, but no matter what, you can't make it idiot proof. I bolted and screwed a pair of heavy duty dollies under a P22 in a high school, because they got tired of me replacing casters and gluing the sides back on. Next time I saw the piano, they had managed to break the welds on the rear brackets by running into what was left of door openings at the highest attainable speed. It was ok though, because the maintenance folks welded them back together - right there on the piano, carbonizing the bottom binder board in four places. So yes, heavy duty, as permanently and solidly affixed as you can make it, but don't expect miracles. Ron N
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