Piano Tuning Wrench L-Shape Piano Tuner Spanner Repair Professional Wrench Piano Tuning Hammer

Adjusting the wrong sound needs a set of professional tuning . abrasion . Weight: 78g / 2.74oz Sturdy and smooth handle. L-shape design easy to use it. Small and exquisite convenient to carry. Specially designed for tuning of Guzheng and for most machine devices that have quadrilateral opening. In order to maintain the accuracy of piano sounds regular inspection by a professional is necessary. colour:brown Material:Metal + plastic size:15.5*3.8*2cm Inner bore size: Approx. 0.65cm / 0.26in Handle Length: Approx. 10.5cm / 4.13in Package Contents: 1*Tuning Wrench Note: Please measure the tip size of your device before purchasing make the size of your devices match with the wrench quadrilateral