Thats funny you should mention the nickel Dave... my first sharps adjustment tool was a standard let off block, sanded flat on the bottom with a nickle (cut in half and ground down at the sides) glued on to the undeside. The two halfs were distanced just enough to allow the black key to fit inbetween. Worked just fine for close roughing in black key height. Lost it some years back and have missed it ever since. Cheers RicB Dave Nereson wrote: > It is piano-specific, but I'd say 1mm is a bit low and 2mm is toward the high side (height of sharp above natural when sharp is depressed). Here in the states, the thickness of a nickel is about right, which is .065 inch, or 1.65 mm, if it can be measured that precisely. --Dave Nereson, RPT, Denver > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives -- Richard Brekne RPT, N.P.T.F. UiB, Bergen, Norway mailto:rbrekne@broadpark.no http://home.broadpark.no/~rbrekne/ricmain.html http://www.hf.uib.no/grieg/personer/cv_RB.html
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