National Reso-Phonic Guitars Style "O" 14 Fret, resonator guitar, neck clears 14 frets to the body, brass body nickel plated, resonator 9.5" hand spun, headstock style peghead, headstock logo mother of pearl, headstock overlay rosewood, neck material figured maple, ebony fretboard, fretboard binding Ivoroid, fretboard markers mother of pearl, 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", 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 8 lbs 1 oz, hardshell case included