Graphtech Black Tusq XL 5-Str Bass Nut 1/8" PT-1425-00 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: Black Thickness: 1/8" (3.25 mm); Length: 1-13/16" (45.72 mm) Height: 9/32" (7.04 mm); First to Last String: 1-7/16" (36.58 mm) Model: PT-1425-00