L-shape Piano Tuner Spanner Guzheng Square Shape Tip Tuning Hammer Wrench Tuner Spanner

Features:
L-shape design, easy to use it.
Small and exquisite, convenient to carry it. 
Specially designed for tuning guzheng and most machine devices that have quadrilateral openings. 
The metal shaft is made of hard steel, abrasion resistance.

Note: Please measure the tip size of your device before purchasing, make sure the size of your devices match with the wrench quadrilateral. 

Specifications:
Material: Engineering plastics & Steel
Inner bore size: Approx. 0.65cm / 0.26in
Overall Length: Approx. 16cm / 6.3in
Handle Length: Approx. 10.5cm / 4.13in
Weight: 78g / 2.74oz

Package includes:
1 * Square Shape Piano Tuner Spanner