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L-Form Klavier Tuner Spanner Guzheng Square Shape Tipp Tuning Hammer Schraubenschlüssel Tuner Spanner

L-Form Klavier Tuner Spanner Guzheng Square Shape Tipp Tuning Hammer Schraubenschlüssel Tuner Spanner

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L-Form Design, einfach zu verwenden.
klein und exquisit, bequem zu tragen es. 
speziell für tuning Guzheng und die meisten Computer-Geräte, die vierseitige Öffnungen haben. 
Metall-Stiel besteht aus harten Stahl, Abriebfestigkeit.

Hinweis:bitte vor dem Kauf die Größe des Geräts zu messen, stellen Sie sicher die Größe Ihrer Geräte mit der Schraubenschlüssel-Quadrilateral übereinstimmen. 

Material: technische Kunststoffe & Stahl
innere Bohrung: ca. 0,65 cm/0,26 In
Gesamtlänge: ca. 16cm/6,3 Zoll
Griff Länge: ca. 10,5 cm/4,13 Zoll
Gewicht: 78g/2,74 oz

Paket beinhaltet:
1 * Square Shape Klavier Tuner Spanner

Kundenfragen und Antworten


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


Would it work with a Chinese Piano by BLESSING?

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

    By Morrice on August 12, 2017


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Durchschnittliche Bewertung:


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  • By myfavoritemisskate

    September 19, 2017

    It did a good job tuning the strings to themselves on my piano which had a some strings that were out of whack. It easily tuned the strings that had dropped out of tune and if I got a little sharp it allowed me to loosen the string and try it again. The Square end fit tightly on the square pegs and did not have any play in it. I have yet to tune my piano with a tuner because it wasn't that far out and I didn't have that much time on the day I got it so I can't comment on how durable it is in the long run yet...the fake wood (plastic) handle didn't feel like it was going to break at any point. It has been worth the money I paid for it just getting it back in tune with itself. I will update my review if I find the quality to be poor when I redo the whole piano to a tuner but otherwise you can assume it still works good. At this time I'm happy, -M-

    Is this helpful? (0) (0)

  • By Jason W Morrison

    September 3, 2017

    I was very apprehensive about trying to tune my Hinze piano myself. I've heard intimidating stories (from professional tuners) of how you should always call a professional, because this is just too big of a job for a mere piano player. But, recently the piano fell so far out of tune as to be unplayable and I was left with the choice of spending significant money on a tuning job, or doing it myself. So, I ordered this wrench (because it looked stronger than some of the others), and gave it a go. Armed with a chromatic tuner (which I already had) and the wrench, I started with middle C (which was way off) and had it on pitch in no time. The wrench worked fine. It seems sturdy. However, it was much smaller than I expected. It takes a lot of strength to tighten the strings and a little more leverage would have helped me control the adjustment better. That's why I give it only 4 stars. Otherwise, I'm quite happy with the purchase. Tuning is easy - tuning really well is not. It takes time to tune over 200 strings, and as the overall tension changes, I have had to revisit some of the strings I've already tuned. My tuner doesn't pick up the low frequencies well, so I'm tuning the lowest strings by ear which is much more difficult. Also, I can't really stretch the octaves across all 88 keys so that they sound perfect. I'll probably have the piano professionally tuned at some point, but I'm very happy

    Is this helpful? (0) (0)

  • By p***h

    June 13, 2018

    Just what I needed.

    Is this helpful? (0) (0)

  • By f***6

    April 4, 2018

    Product works well enough. Quick shipping.

    Is this helpful? (0) (0)

  • By e***l

    December 23, 2017

    packed perfectly, arrived immediately, highly recommended seller A ++++

    Is this helpful? (0) (0)

  • By s***t

    December 18, 2017

    Great Service

    Is this helpful? (0) (0)

  • By Matt Petschel

    September 22, 2017

    I used it to take out a couple hundred pins in a piano and it held together. You are getting what you pay for it has a plastic handle and the pins get stuck in it but it is cheap and gets the job done.

    Is this helpful? (0) (0)

  • By Art W.

    September 19, 2017

    Small. Good for quick touchup - would not want to do an entire piano with this tool.

    Is this helpful? (0) (0)

  • By goldenskyhook

    September 18, 2017

    Granted this is the cheapest one offered by Tomtop, so no complaints. If I had it to do over, I would have spent a bit more for a wrench with a longer handle, a tighter fit, and a star (asterisk) shaped hole. It's a little harder to get the wrench at the correct angle with only 4 contact surfaces. Still, it works fine.

    Is this helpful? (0) (0)

  • By Maura Gergerich

    September 15, 2017

    worked perfectly for me. my piano was so far out of tune (one of the strings that was supposed to play a B was closer to playing an E) so it definitely was worth it particularly since it's only a couple of bucks

    Is this helpful? (0) (0)

  • By DeAthWaGer

    September 14, 2017

    Works great, but I wish it were just slightly longer to give more torque. I have a very old piano and have to micro-tap this thing with one hand while turning it with the other to get small adjustments of around 3-5 cents. I'm sure with another 1.5-2 inches extra on the handle I could get it down to 1 cent. I'm tempted to take it to the saw and weld it onto a bigger rod.

    Is this helpful? (0) (0)

  • By Brian A. Whatcott

    August 29, 2017

    Received in good shape.

    Is this helpful? (0) (0)

  • By jimsan

    August 20, 2017

    This tuning hammer, together with the mute kit and the Olympus L-12 recorder with tuner, all helped me in tuning my daughter's piano and will probably keep helping me in the future.

    Is this helpful? (0) (0)

  • By c***5

    June 1, 2017

    Excellent Seller, Prompt Shipping, Quality Product, A++++

    Is this helpful? (0) (0)

  • By k***s

    December 29, 2015

    Great product, fast ship!

    Is this helpful? (0) (0)

  • By n***0

    September 12, 2015

    Thank You!

    Is this helpful? (0) (0)

  • By e***1

    March 23, 2015

    God Bless You!! Perfect transaction..Honest and trustworthy seller. AAAAAAAAA+

    Is this helpful? (0) (0)

  • By j***a

    January 31, 2015


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  • By r***5

    January 27, 2015

    Item just as described. Thank you.

    Is this helpful? (0) (0)

  • By b***2

    January 2, 2015

    Smooth transaction... Fast Shipping... A++ E-seller... Thanks so much

    Is this helpful? (0) (0)

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