Detail 01
Universal head
Designed for standard acoustic, electric and bass guitar tuning pegs, including vintage and slotted designs; compatibility also extends to mandolins, ukuleles, banjos and more.

Independent shopping perspective
A cordless, USB-C rechargeable string winder built for faster restringing across a wide range of stringed instruments.


Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01
Designed for standard acoustic, electric and bass guitar tuning pegs, including vintage and slotted designs; compatibility also extends to mandolins, ukuleles, banjos and more.
Detail 02
Provides cordless use and is charged through USB-C.
Detail 03
Intended to turn tuning pegs and tighten strings with even tension across strings.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
It is stated to work with acoustic, electric and bass guitars, plus mandolins, ukuleles, banjos and more.
Yes. A USB-C cable is included.
The built-in rechargeable lithium-ion battery is stated to charge within 2 hours.
Ernie Ball states it can restring a guitar up to 80% faster than using traditional tuning pegs.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.