- F-40:
- Natural finish- nitro over shellac
- Torrefied maple & Red Spruce
- Ziricote fingerboard and bridge
- 1-3/4" nut
- 2-1/4" bridge spacing
- Full modern C neck
- Mahogany neck
- Ebony headstock veneer/ black painted headstock rear
- Period correct Kluson 'tulip' tuning machines
- MOP parallelogram fingerboard inlay
- MOP crown headstock inlay
- MOP Maltese cross bridge inlay
- 2 way truss rod
- ABS binding/multiple purfling on top and back