Graph Tech PQL-6061-00 TUSQ XL Epiphone Electric Style Slotted NutThe PQL 6061 00 is the perfect option to replace and upgrade the nut on your Epiphone guitar made in 2014 and after. It is also a great option for many other common acoustic and electric guitars. It 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