Jim, Thank you for such a thorough description of levelling strings and hammers. Concerning the 1/8" and 1/4" strips of sandpaper: Chris Gregg has mounted these strips in an ingenious little block which makes their use foolproof and keeps them from slipping off the hammer. Chris is making these available to technicians. You can contact him at: cgregg@CADVISION.COM Ken Burton "Doctor Piano" Calgary Alberta
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