Check the listing for details. Graph Tech TUSQ XL Fender Style Slotted Nut. Condition: New. Listed at 13.98 USD. TUSQ XL Fender Style Slotted Nut (PQL-5000-00) is a replacement nut for Fender guitars.Finally, the breakthrough you've been waiting for. Now you can have it all - the great tone of TUSQ, classic good looks AND permanent lubrication. If you love the look of a vintage white nut, but you keep going out of tune when you bend strings or use your tremolo, then TUSQ XL is just what you need.TUSQ XL is designed to boost guitar tone and performance. This precision engineered nut is made with a specially formulated material which couples the strings' vibrations to the neck and brings out the hidden harmonics and richness in every note. It is based on the highly resonant TUSQ man made ivory, but is impregnated with Teflon to improve the tuning performance of the guitar.