mj series dinky dkrp Body Material:Mahogany while the 12" 16" compound radius The X Series Soloist while the 12" 16" compound radius maple fingerboard flattens out as you move up the neck for increased playing comfort and speedy articulation Other next level features include a single volume control Luminlay® glow in the dark side dots provide exceptional fretboard guidance even on the darkest of stages while a heel mount truss rod wheel allows for quick and easy neck relief adjustments the 12" 16" compound radius ebony fingerboard is designed for highly technical lightspeed playing on the upper registers and comfortable chord work closer toward the nut