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.
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
1 * Square Shape Piano Tuner Spanner
Questions & Answers
Hi, is it useful to tune up a melody harp?
not sure about autoharp. On a piano it is short and sloppy. but it works.
By Wayne Pope on March 16, 2018
Hi! My piano has 0.22” square tuning pins. Do you have a tuning wrench to fit my pins?
Great tool works really well
By robert p. on February 26, 2018
Will this tune a nepeneno4ka lap harp?
You need to check the head size of your tuning pins. This wrench works on 1/4″ piano tuning pins. My guess is your autoharp uses 3/16″ tuning pins which I use on my zithers. I had to return this wrench because it was too big.
By John Ferguson on February 14, 2018
Hello, the title and description does not correspond to the pictures of the product. What is actually being sold? Is it the one in the pictures?
The one I bought two years ago was recognizably similar to the one in the image
By Brian A. Whatcott on October 22, 2017
Is the wrench tapered so that it it fits tapered pins?
It doesn’t appear to be except at the bottom where it meets the handle. it is well constructed though with the head welded to the handle. I would be happy to send you pictures of it to further your research. It worked splendidly to tune a 65 year old piano I found in the basement of my new house though. It was an entir… see more It doesn’t appear to be except at the bottom where it meets the handle. it is well constructed though with the head welded to the handle. I would be happy to send you pictures of it to further your research. It worked splendidly to tune a 65 year old piano I found in the basement of my new house though. It was an entire key flat. SCOTT see less
By Scott McKenzie on September 14, 2017