| Model Name | RG8520 （JCRG20） |
| Color | LA：Light Amber TRD：Transparent Red Burst |
| Body Top | Flame Maple |
| Body Back | Honduras Mahogany |
| Neck | 5pcs. Maple/Bubinga |
| Neck type | Wizard |
| Fingerboard | Rosewood w/White Binding |
| Position Inlay | Abalone Off-set Dot |
| Fret | Custom Jumbo (SBB216-195) |
| Neck Joint | All Access |
| Scale | 648mm/25.5inch |
| Neck width | 42mm(Nut), 56mm(Last Fret) |
| Neck thickness | 19.5mm(1F), 21.5mm(12F) |
| Fingerboard Radius | 430mmR |
| Bridge | Lo-Pro Edge |
| Pickup(neck) | DiMarzio Air Norton(H) |
| Pickup(center) | − |
| Pickup(bridge) | DiMarzio Tone Zone(H) |
| Hardware | Cosmo Black |
Controls
2volume, 2tone
