Tira de temperamento de fieltro de lana para afinación de piano silenciamiento cónico para silenciamiento de piano - 50 pulgadas
One strip is more than enough to strip the middle two octaves. The strip is 50" long and tapers from 3/4" wide down to 1/2" wide. This felt is. 135" thick and is made of firm, high density felt for efficient muting.