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: 1/4" (5.98 mm); Length: 1-11/16" (42.95 mm) * Height: 5/16" (7.95 mm); First to Last String: 1-3/8" (35.22 mm) * Model: PT-6643-00