Send this to Bob and ask for his recommendationsSome stats from the PRS website that might help:
The neck shape on the Silver Sky was modeled after a 1963/1964 Stratocaster.
- Width of Fretboard at the Body: 2 7/32"
- Width of Fretboard at the Nut: 1 21/32"
- Neck Depth at the Nut: 53/64"