Graph Tech Tusq Nut Slotted 6 String PQ-6115-00 TUSQ is very easy to sand or file and is very resistant to chipping or flaking. TUSQ nuts provide the best tonal link between your strings and guitar neck. Color: Ivory Thickness: 3/16" (4.7 mm); Length: 1-23/32" (43.43 mm) Height: 3/8" (9.78 mm); First to Last String: 1 -7/16" (36.83 mm) Model: PQ-6115-00