laser levels

[Jon Page]

I have one that cases a line. My intended purpose was to use it to
facilitate bridge pin placement. The problem was than the line it too thick
for accuracy.

If used to level keys, how would you get it to knock upon the keys to
check for high ones?

Regards,

Jon Page, piano technician
Harwich Port, Cape Cod, Mass.
mailto:jonpage@comcast.net
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