HiseNook Professional L-shape Piano Tuner Spanner Piano Tuning Hammer Lever Wrench
Inner bore size:approx. 6.5mm
Sturdy and smooth handle
Used for tuning of Guzheng and for most machine devices that have quadrilateral opening.
Please measure the tip size of your device before purchasing, make sure the product is suitable for your device.
1 x Piano Tuner Tool
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