4 String Guitar Tuning Pegs Keys Vintage Open Gear Ukulele Tuners Machine Head Open Gear Adjust Tones Machine Head

Make of metal, light weight, antideform, can be used for a long terms This open geared string tuner can adjust the string tune easily and quickly It is easy to use, smooth, you can use it comfortably Guitar machine head knobs with heavy duty internal gear can be tuned tight to make your guitar sound stable, for you to use It can be a good replacement for the worn or damaged tuning pegs, you can use it to restores the correct tone of the strings