Graphtech Tusq Nut Slotted 1.8" PQ-6135-00 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: 7/32" (5.26 mm); Length: 1-13/16" (45.72 mm) Height: 11/32" (8.76 mm); First to Last String: 1-1/2" (38.1 mm) Model: PQ-6135-00