GLC-262 Alto Trombone
- Alto Trombone
- Bb Key
- Bore 12.5mm (0.492”)
- Bell 200mm (7.874”)
- Gold Lacquer
GLC-222 Bass Trombone
- Bass Trombone
- Bb/F Key
- Bore 13.1mm (0.516”)
- Bell 233.7mm (9.201”)
- Gold Lacquer
GLC-223 Bass Trombone
- Bass Trombone
- Bb/F Key
- Bore 13.89mm (0.547”)
- Bell 214.5mm (8.445”)
- Gold Lacquer
GLC-229 Bass Trombone
- Bass Trombone
- Bb/F/Eb/G/D Key
- Bore 14.4mm (0.567”)
- Bell 241.7mm (9.516”)
- Gold Lacquer
GLC-242 Valve Trombone
- Valve Trombone
- Bb Key
- Bore 12.3mm (0.484”)
- Bell 205mm (8.071”)
- Gold Lacquer