Balance hole reamer (countersink) alleviates binding of balance pin at the bottom of the piano key. The reamer is inserted through the key button and reams the bottom of the balance hole mortice.
- #110340 Balance Hole Reamer
Balance hole reamer (countersink) alleviates binding of balance pin at the bottom of the piano key. The reamer is inserted through the key button and reams the bottom of the balance hole mortice.