Graph Tech Tusq Jazz Bass Guitar Nut TUSQ has quickly become an important tone performance tool for many guitar manufacturers, luthiers and playing professionals around the world. TUSQ nuts and saddles have rich tone and sustain, without the inconsistency found in ivory, bone and other natural materials. TUSQ is far superior in sound and appearance to synthetics such as Micarta™ and Corian™ . The high levels of heat and pressure used in making TUSQ results in its exotic ivory-like appearance. Join those who know great guitar tone! Measure: 39.47x3.25x4.75mm. From E to G 31.06mm. TUSQ is used by: Martin, Taylor, Larrivee, Gibson Acoustic Guitars, Tacoma Guitars, Ovation, Rick Turner, Garrison Guitars, Breedlove, Manuel Rodriguez, Rainsong, Carvin, Landola and many, many more.