Brand new and high quality.
 

Used for tuning of Guzheng and for most machine devices that have quadrilateral opening.
The shaft is made out of steel.
Sturdy and smooth handle.
 

Note:This quadrilateral shaped tuning wrench (hammer) can be 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 size of your device go with the measurement of the wrench quadrilateral.
 

Side Length Of The Quadrilateral: Approx. 6.5mm.
Overall Length: Approx. 16cm / 6.3 inch.
Handle Length: Approx. 10.5cm / 4.1 inch.
Material: Plastic Handle