Piano Tuning Temperament Strip， 0.135in Thick<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Most efficient way of setting a temperament on a piano during tuning </span></li><li><span class="a-list-item"> 100% Wool </span></li><li><span class="a-list-item"> 0.135" Thick </span></li><li><span class="a-list-item"> Simply the highest quality available--same as the pros use! </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/518UcBGV4vL.jpg" noproxy>