Graphtech Tusq - 4 String Slotted Bass Nut PQ-1254-00 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: 1/8" (3.17 mm); Length: 1-17/32" (38.77 mm) Height: 5/16" (8.2 mm); First to Last String: 1-3/16 (30.41 mm) Model: PQ-1254-00