Hello David< This is a P.S. to my post to you. To replace a broken pin in this system Take a regular tuning pin, saw it off the correct length, saw slot in back of pin, insert pin into hole in plate, tap a metal wedge into slot, ( an old screwdriver blade tip will work). Tap wedge up to tighten, tap pin down to loosen. Works like a charm. good luck! Jack Wyatt
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