DOUBLE CUT ELECTRIC GUITAR John Mayer SE SERIES Silver Sky Signature model. Poplar body. Bolt-on maple neck. Rosewood fretboard. 22 frets. Scale length: 25.5''. Original 635JM profile. Fingerboard Radius: 8.5''. Inlays: Birds (Small). 3 single pickups 635JM ''S''. Synthetic bone nut. PRS steel tremolo bridge. Vintage style machine heads, non-locking. Double action PRS core, accessible from the front of the blade for greater ease. Volume and 2 Tone controls, with a 5-position selector. Inverted PRS blade design. Includes cover. PRS Classic 10-46 strings. Sonic Blue finish.