The PQ-M600-00 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.

 Measure  Length Width
Height
E to E 
inches
1.709"
 
0.228"
0.361" 1.378"
mm 43.41mm 5.79mm 9.17mm
35mm
inkFrog