UK21-30
- Model: UK21-30
- Size: 21inch
- Top: Sapele
- Back&side: Sapele
- Fretboard: Richlite wood
- Neck: Mahogany
- Binding: ABS + 5 lines binding
- Head machine: Die-cast
- Finish: Matt
- Color: Natural
UK21-35
- Model: UK21-35
- Size: 21inch
- Top: Sapele
- Back&side: Sapele
- Fretboard: Richlite wood
- Neck: Mahogany
- Binding: ABS + 5 lines binding
- Head machine: Die-cast
- Finish: Matt
- Color: Natural
UK21-50
- Model: UK21-50
- Size: 21inch
- Top: Spruce
- Back&side: Sapele
- Fretboard: Richlite wood
- Neck: Mahogany
- Binding: ABS + 5 lines binding
- Head machine: Die-cast
- Finish: Matt
- Color: Natural