• MAKE YOUR GUITAR: Inlaid in the fretboard of plucked string instrument, the dots are convenient and quickly to find the fret for you.
  • GREAT ACCESSORY: With the good performance, these dots markers are great accessory for decorate fingerboard of guitar, ukulele, mandolin, banjo, etc.
  • EASY TO CARRY: These dots markers are very easy to install and remove quickly, but won't effect your guitar's performance.
  • BEAUTIFUL DECORATION: These dots markers fit for any type fret of guitar, making your guitar look more beautiful and eye-catching.
  • GUARANTEE: Our product have 180 days warranty, if you have any question about this product, please feel free to contact us, we will try our best to help you solve your problem.

The measurement is 6.2mm. You will need a 6.2mm drill bit for these to be perfect. 1/4" is too large.