![30pcs piano tuning and maintenance tools accessories, piano string pins, piano string pin - AliExpress 30pcs piano tuning and maintenance tools accessories, piano string pins, piano string pin - AliExpress](https://ae01.alicdn.com/kf/H813d8979952448f68f4ea1f7a424eb64d/30pcs-piano-tuning-and-maintenance-tools-accessories-piano-string-pins-piano-string-pin.jpg)
30pcs piano tuning and maintenance tools accessories, piano string pins, piano string pin - AliExpress
The Piano Shop Cambodia - The piano tuning pins, also called wrest pins, are steel cylinders that are used to bring the piano strings into proper tune. The string goes through a
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