<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.6000.16705" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial>Hi Fenton,</FONT></DIV> <DIV><FONT face=Arial>Telescoping gauges are used for inside measurements of holes. Sorry they cannot be used inside grands just uprights.</FONT></DIV> <DIV><FONT face=Arial>I find them very effective on my regulating table or a regulating rack to set hammer blow.  </FONT></DIV> <DIV><FONT face=Arial></FONT> </DIV> <DIV><FONT face=Arial>Jack</FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV><FONT face=Arial size=2></FONT><FONT face=Arial size=2></FONT><FONT face=Arial size=2></FONT><A href="http://www.google.com/imgres?imgurl=http://www.harborfreight.com/cpi/photos/05600-05699/05649.gif&imgrefurl=http://www.harborfreight.com/cpi/ctaf/Displayitem.taf%3Fitemnumber%3D5649&h=309&w=360&sz=33&tbnid=wMYqxJhp1FAJ::&tbnh=104&tbnw=121&prev=/images%3Fq%3Dtelescoping%2Bgauge%2Bphoto&usg=__AWBL4G5BbmaY-HYGEbyfQWjmvCY=&sa=X&oi=image_result&resnum=1&ct=image&cd=1"><IMG title=http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=5649 height=104 alt=http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=5649 src="http://tbn0.google.com/images?q=tbn:wMYqxJhp1FAJ::www.harborfreight.com/cpi/photos/05600-05699/05649.gif" width=121 align=middle vspace=4 border=1></A><FONT face=Arial size=2>    </FONT><BR></DIV> <DIV><FONT face=Arial size=2>Jack,</FONT></DIV> <DIV><FONT face=Arial size=2>I've not seen the 'T' guage before. What, where, who?</FONT></DIV> <DIV><FONT face=Arial size=2>Fenton</FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=jackhouweling@dccnet.com href="mailto:jackhouweling@dccnet.com">Jack Houweling</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech List</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, September 11, 2008 6:42 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Hammer height gauge</DIV> <DIV><BR></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV style="FONT: 10pt arial">Sorry I forgot to enter the subject.</DIV> <DIV style="FONT: 10pt arial"> </DIV> <DIV style="FONT: 10pt arial"> </DIV> <DIV><FONT face=Arial size=2>I found yet another way to check hammer height. The telescoping gauges are very easy to set desired measurement with a caliper</FONT></DIV> <DIV><FONT face=Arial size=2>and then can be used to check blow distance. I use it on my regulating table and also in the piano.</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>Regards,</FONT></DIV> <DIV><FONT face=Arial size=2>Jack Houweling</FONT> </DIV></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>