Keep your guitar or bass tuned up with top-quality parts used on U.S. Fender instruments. Originally featured as an upgrade to 2010 American Deluxe Series Basses, this high-quality genuine bone string nut is pre-radiused to 9.5". Pre-slotted with string location points to make spacing and positioning a breeze when performing the final nut slot filing. 9.5" radius, approximately 1.75" wide. Some modification may be required.