Graph Tech Tusq PQ-M644-00 Martin Syle 1-3/4" Slotted Nut
The PQ-M644-00 is the perfect option to replace and upgrade the nut on your Martin style acoustic guitar. It has an angled bottom and comes pre-slotted to make for a quick and easy install.
TUSQ delivers a rich tone, crystal clear bell like high end with big open lows and a significant increase in harmonic content and harmonic sustain. Increase harmonics equals more richness and character in your tone. Its the difference between a four piece choir and a twelve piece choir singing every time your play a note.
 | Consistent quality |  | Increased harmonic content |
 | Ivory white in color |  | Precision slotted |
| Measure | Length | Width | Height | E to E |
| inches | 1.745" | 0.224" | 0.361" | 1.418" |
| inches | 1 3/4" | 7/32" | 3/8" | 1 13/32" |
| millimeters | 44.32mm | 5.69mm | 9.17mm | 36.02mm |