Graphtech Black Tusq XL 4-Str Jazz Bass Nut PT-1214-00 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: 1-9/16" (39.47 mm) Height: 3/16" (4.75 mm); First to Last String: 1-7/32 (31.06 mm) Model: PT-1214-00