National Reso-Phonic Guitars NRP Steel Single cone resonator guitar, steel body nickel plated, resonator 9,5" single cone hand spun, headstock slotted, headstock logo decal, neck material hard rock maple, rosewood fretboard, fretboard binding Ivoroid, fretboard markers mother of pearl, 19 frets, fretwire W.106 H.039, bridge type maple bridge, scale length 25,", nut material bone, width at nut 1.825", width at 12th 2.3", 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 6 oz, hardshell case included