Proper Setup & Important Notes:

Proper setup and procedure by closely following the Setup Guide posted on our website is absolutely key to gaining the most benefit and having the very best experience possible while using the Guitar NutBuster®. Please click on the “Setup Guides” tab for more information and to view or download “Setup Guide (A)” or “Setup Guide (B)”, depending on the style of fretboard that your guitar has.

Guitar NutBuster® Compatibility:

The Guitar NutBuster® is extremely versatile and is designed to be used on Standard (6) String Electric & Acoustic Guitars having a common 1-3/8” (34.93mm), 1-13/32” (35.72mm) or 1-7/16” (36.51mm) Low E string to High E string spread at the nut. This basically covers the vast majority of common guitar models available having a Total Nut Width of 1-11/16″ plus or minus 1/32″ (42.07-43.66mm).

(Please contact us prior to placing an order with any compatibility questions or concerns for using the Guitar NutBuster® on your particular guitar model)

Limited Warranty:

The Guitar NutBuster® comes with a (1) year limited warranty from the original date of purchase against manufacturer defects and will be repaired or replaced at our discretion; (non-transferrable).

Guarantee & Return Policy:

The Guitar NutBuster® is sold with a 30-day money-back guarantee from the original date of purchase – less international shipping charges, if applicable. Returns and refunds must be preauthorized via email to – Buyer pays return shipping. (Please Note: There is a $15.00 refurbish/restocking fee for each returned item)

Please Note: PayPal/Stripe payment processing fee will be subtracted from cancelled order refunds.


Free USPS First-Class Shipping with Tracking Number is included on all domestic orders. Please contact us prior to placing an order if you would like to purchase Shipping Insurance or Expedited Shipping.