Fretless neck

Precision Bass SGT-3DPEB01/02PB or
Neck for Jazz Bass SGT-3DPEB01/02JB

specification
1. Material: Maple
2. Fingerboard: Rosewood
3. Neck color: Black
4. Number of frets: 21 marks
5. Dimensions Length: 638mm (including protrusions)
Width: 40mm (0F) 63mm (21F)
Thickness: 22mm (1F) 24mm (12F)
6. Radius: 300mmR
7. Adjustable truss rod:
Spoke wheel nut type