Graphtech Tusq 6 String Acoustic Nut PQ-1728-00 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" (5.11 mm); Length: 1-23/32" (43.43 mm) Height: 11/32" (9.02 mm); First to Last String: 1-3/8"(35.28 mm) Model: PQ-1728-00