ITEM NAME:1pc Keys Piano Tuning Hammer L-shape Square Wrench Tuner Spanner Repair T Gw note:.Typeï ¼Å¡ piano tuner spanner. The inside four corners of the guzheng universal spanner is of high accuracy and is very suitable for beginners and teachers. Specially designed for tuning guzheng and most machine devices that have quadrilateral openings.
