Description: This open geared string tuner can adjust the string tune easily and quickly features 1:21 ratio. It is mainly made of tough steel has a long lifespan and is anti-deform can be used for a long time. You can use it on the vintage bass electric bass and more easy to install on the bass. It is easy to use the surface is plated to make it smooth you can use it comfortably it won t easily be jammed. It can be a good replacement for the worn or damaged tuning pegs you can use it to restore the correct tone of the strings. Specification: Material: Steel. Color: Silver. Size: Show as picture. Note There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package included: 1* Tuning peg.