ROASTED MAPLE JAZZ BASS NECK: The Fender Roasted J Bass neck is a 1-piece maple neck with a modern "C" shape. Resistant to humidity shifts and featuring a gorgeous, dark look, roasted necks have more sustain and add a unique note to the instrument's voiceMODERN “C” NECK PROFILE: Ideal for almost any playing style, the Modern C is not as deep as most U- and V-shaped neck profilesRADIUS AND FRETS: A 9.5"-radius maple fingerboard and 20 medium jumbo frets provides fast fretting and easy playabilitySATIN URETHANE FINISH: Satin urethane on the back of the neck provides a supremely comfortable feel that is effortless to play. A gloss urethane finish on the fingerboard looks great, ages well and is extremely durableSYNTHETIC BONE NUT: Made of melamine, this (1.50" width) synthetic bone nut offers great resonance and sustain and is pre-slotted to ensure proper string spacing