National Reso-Phonic Guitars M-2 Mahogany, resonator guitar, laminate mahogany top and back, side material solid mahogany, resonator 9.5" hand spun, headstock style peghead, headstock logo engraved, headstock overlay pearloid, neck material mahogany, rosewood fretboard, fretboard binding Ivoroid, fretboard markers mother of pearl diamond, 19 frets, fretwire W.106 H.039, bridge type maple biscuit, scale length 25", nut material bone, width at nut 1.825", width at 12th 2.3", open gear vintage-style National brand tuners, upper bout width 10.25", lower bout width 14.00", overal length 38.75", depth of body 3.125", weight 6 lbs 3 oz, hardshell case included