56066 QRS Key Stop Rail for Upright Pianos
QRS Upright Piano Key Stop Kit. Silence's a real pianos sound inorder to practice with headphones.
Overview
Overview
Universal Key Stop Rail for Upright pianos. Stops the hammers from striking the strings at just the right point to avoid action damage. Used for practicing in silence in conjunction with the QRS PNOscan Studio Sound Module and Controller.