These have small discolors in the wood. This will not affect the performance of the instrument. All of our Our Necks have been Dressed. This includes Fret Leveling, Crowning, and Polishing. These necks are ready to install. Adjust the truss and they are good to go. Bone Nut (Installed) M. 21 mm at 1st fret =. 24 mm at 12 fret =. Maple / Rosewood Fretboard. Finish: Aged Tint / Nitro Satin 1 5/8s (42mm) Nut Width Radius: 9.5, Medium C Back Contour Fret: 21 Jumbo Frets Vintage Tuner Holes. Vintage Size, can be reamed larger. (Double Expanding, Double Action Truss Rod) Will It Fit? Standard Fender Heel Specs. Warmoth, allparts, fender, musikraft, jamerson, g&l, custom shop, usa, mighty mite, wd.