We are pleased to offer you tuners with the configuration you need for your guitar. You get the same outstanding quality and reliable tuning you expect from Sperzel, but in 7 and 8 string sets.

  • Available Now!
  • Trim-Lok graduated or non-graduated post heights
  • Choice of string hole sizes: .078 or .085
  • Same great custom options

Required Holes

In order to mount Sperzel Tuning Keys on your guitar you will need hole sizes of 10mm or 25/64"

Custom Sets

With Sperzel you are not stuck with the traditional 6 string, or even the 7 or 8 string sets. We make ANY number combo you need for any string instrument. Whether you need 2 or 18 tuners, we customize to your building needs so you can always sound your best!