• Each pinblock is custom shaped and hand-fitted to the plate flange, so that it can hold the approximately 40,000 lbs. of tension which the fully strung piano will place upon it.
• All drilling of the tuning pin holes is done by precision drill press using custom-made fast spiral drill bits.
• We mortise the pinblock into the case on Steinway and Mason-Hamlin pianos per original design to achieve maximum tuning stability and sound resonation.
• Although occasionally we install oversized tuning pins when the piano isn't holding a tuning, our first preference is to install a new pinblock to insure that the piano will continue to maintain tuning stability.