Kevlar violin tailpiece fastener


A tailpiece adjuster made of flexible, resistant Kevlar.

In stock


This kevlar tailpiece fastener allows you to easily fit the tailpiece and the enpin of your violin together. Made of strong yet flexible material.


Diameter / Length

1.5mm / 250mm






Braided Kevlar


Kevlar violin tailpiece fastener description

This Kevlar tailpiece fastener is first and foremost made for violins. Its dimensions are specifically tailored to violins. This makes it easy to install on all existing violin tailpieces on the market, as it will fit all bore diameters. Made of 12-filament braided Kevlar, this product is highly resistant and flexible and can resist up to 350kg of tension (there are about 25g of tension on modern violins). Additionally, this material is highly resistant to acid, oils and solvents.

  • Tailpiece adjuster length: 250mm
  • Diameter: 1.5mm
  • Extension under tension: 1%.

Product benefits

  • It’s quite simple to install and requires very few tools.
  • Its narrow design allows for the tailpiece to be lowered slightly (if the arch of your violin allows it). This can increase the tension (and even the power) of the strings.
  • Its very flexible structure allows proper contact with the tailpiece, even if the holes are crooked or dirty. Thus producting a more powerful sound, thanks to its perfect placement.


Luthier’s review on the Kevlar tailpiece adjuster

The significance of this tailpiece adjuster is debatable, as the material used for the adjustor is a matter of personal preference. That said, Kevlar is known for its strength, stability and performance, which is why it has become the go-to option for many professionals. It may be worthwhile to experiment with this on your instrument if you are looking for more clarity in your overall sound.

If you’d like to install it yourself, here is a video tutorial on how to do it. Although it is optimal of course to have a professional install it.

More details

Weight 100 g





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Payment and shipping

Read about our various payment and shipping options.

Payment options

Each order must be paid in full before it is shipped. We currently accept the following forms of payment:

  • Card (Visa, Mastercard, etc.)
  • Paypal
  • Bank transfer



Delivery costs
Tracked letter Bow* Violin and Viola       Cello
France Free Free Free Free
DOM-TOM 7,00€ 20,00€ 25,00€ On request
Europe 7,00€ 17,00€ 25,00€ On request
World zone 1 7,00€ 25,00€ 30,00€ On request
World zone 2 7,00€ 30,00€ 60,00€ On request

*Large accessories that cannot be sent in a tracked letter format will be sent in the same class packaging as bows. This will be the case for chin straps, for example.

Countries outside the European Union may apply a customs tax. Additional charges may apply depending on the content of the package. Please do not hesitate to contact me or the customs office in your country if you have any questions or concerns.

Deliveries for strings and accessories that measure under 3 cm are made in registered mail format and are therefore sent by the French Post Office. This applies both to national and international deliveries. This is a simple and efficient way to have your order shipped to you directly.

For larger accessories and instruments, I use the Chronopost or TNT solutions. A tracked shipment can either be delivered directly to your home or to a pick-up location, depending on your preference, which you will be asked to specify at checkout.

I generally ship orders between 1 and 4 working days. However, in exceptional circumstances, such as when travelling, I may not be able to meet these deadlines. In this case I will inform you as soon as possible.

For shipments outside of France, transporters may differ depending on the daily quotation.

DOM-TOM : Guadeloupe – Martinique – Guyana – Mayotte – Reunion – Saint Pierre and Miquelon – Saint Barthélemy – Saint Martin.

World zone 1: Albania – Andorra – Armenia – Belarus – Bosnia – Georgia – Gibraltar – Guernsey – Canary Islands – Faroe Islands – Iceland – Jersey – Macedonia – Moldova – Montenegro – Russia – San Marino – Serbia – Turkey – Ukraine – Vatican.

World zone 2: All other countries outside of Europe, DOM-TOM and world zone 1 territories.

Returns and exchanges

You have 14 days from the date of delivery to make a return or exchange. You must return all the items within 30 days of delivery, with the return form and your receipt of purchase included. Returns and exchanges will be refused if the return form and receipt are not included.

If you have any questions regarding payment or delivery, please contact me directly.