Graphtech Tusq 6 String Acoustic Nut PQ-1720-00 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: 1-11/16" (43.13 mm) Height: 13/32" (10.29 mm); First to Last String: 1-13/32" (35.36 mm) Model: PQ-1720-00