【Multifunctional Design】:Piano Tuner Spanner can be used both as a Guzheng tuner and a piano tuner. 【Product 】:Multifunctional tuning wrench for guzheng and piano, with anti slip handle, portable. 【Design】: The four corner L Shaped piano tuner spanner wrench is suitable for different specifications of Guzheng string shafts and piano string shafts, making tuning more convenient.
