“Starting with one of these slotted nuts saves me about an hour per job. And they're unbleached bone, my favorite for tone.” —Erick Coleman, StewMac tech advisor Stewart-MacDonald is your source for quality bone! You already know bone nuts sound better than plastic. Good news: our vintage-look unbleached bone nuts are now available pre-slotted! It's easier than ever to install a perfect, super-hard nut. That's a huge time savings—especially in professional repair shops. The slots are proportionally-spaced, using the same method as our String Spacing Rule. This means the strings feel right all across the neck—no crowding on the heavier bass strings. These beautifully shaped nuts are StewMac exclusives, with research and design by our repair experts. Final fitting is all you'll need to do.