Graph Tech Tusq 12-Str 1/4" Slotted Nut PQ-1575-00 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: 1/4" (6.27 mm); Length: 1-3/4" (44.45 mm) Height: 11/32" (8.48 mm); First to Last String: 1-15/32" (37.08 mm) Model: PQ-1575-00