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: 3/16" (4.95 mm); Length: 1-29/32" (48.18 mm) * Height: 5/16" (8.25 mm); First to Last String: 1-5/8" (41.4 mm) * Model: PT-1578-00