"Lead waits for no man". My 30 y/o clip -on style average 70g. (range 68 to 72) They have performed fine for all these years despite their discrepancies. Any effect of more or less weight affecting key height is lost in the burying of the paper punchings. Fine spot leveling is done with the stack on. Regards, Jon Page, piano technician Harwich Port, Cape Cod, Mass. mailto:jonpage@comcast.net ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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