The exquisite design is very suitable for guitar lovers and guitar players.650 chord length size: 20 fret, 0 fret width 43mm, 12 fret width 54mm, thickness about 6.5 (the thickest part in the middle), 406R radian648 chord length size: 20 fret, 0 fret width 43mm, 12 fret width 54mm, thickness about 6.5 (the thickest part in the middle), 406R radian640 chord length size: 20 fret, 0 fret width 43mm, 12 fret width 54mm, thickness about 6.5 (the thickest part in the middle), 406R radian630 chord length size: 20 fret, 0 fret width 43mm, 12 fret width 54mm, thickness about 6.5 (the thickest part in the middle), 406R radian628 chord length size: 20 fret, 0 fret width 43mm, 12 fret width 54mm, thickness about 6.5 (the thickest part in the middle), 406R radian596 chord length size: 20 fret, 0 fret width 43mm, 12 fret width 54mm, thickness about 6.5 (the thickest part in the middle), 406R radian578 chord length size: 20 fret, 0 fret width 43mm, 12 fret width 54mm, thickness about 6.5 (the thickest part in the middle), 406R radian430 chord length size: 20 fret, 0 fret width 36mm, 12 fret width 45mm, thickness about 5.0, no radian380 chord length size: 20 fret, 0 fret width 36mm, 12 fret width 45mm, thickness about 5.0, no radian650 classical fingerboard size: 20 fret, 0 fret 52mm wide, 12 fret 62mm wide, thickness 6.5, no radian648 electric guitar fingerboard size: 24 frets, 0 frets 43mm wide, 12 frets 53mm wide, thickness about 6.5 (the thickest part in the middle), 406R radian628 electric guitar fingerboard size: 24 frets, 0 frets 43mm wide, 12 frets 53mm wide, thickness about 6.5 (the thickest part in the middle), 406R radianIf you are not satisfied with the product we received, or if you have any questions about this product, you can send an email as soon as possible.