Orchestral & Wind Instruments
Startone PTB-20 Bb/F- Trombone Red
Startone PTB-20 Bb/F- Trombone Red, Bb/F-Quart trombone, Material: ABS plastic, Bore diameter: 13.90 mm, Diameter of bell: 219 mm, Weight: 860 g, Colour: Red, Includes ABS mouthpiece and soft-bag@+*Note:* Mouthpiece colours may vary from mouthpiece...
https://www.bizrate.co.uk/orchestralinstruments/startone-ptb-20-bb-f-trombone-red-oid9790480526.html