The Cory Band Trombone section
| Model | Bell | Slide | Gooseneck / Valve | Tuning Slide | Leadpipe |
| R4F |
Yellow brass
|
Yellow brass
|
Rotax
|
Gold Brass | 41B |
|
R4f
|
Red brass |
Bronze
|
Hagmann |
Yellow brass
|
41b Nickel |
|
R9
|
Nickel
|
Dual
Bronze
|
Hagmann |
Red brass
|
9L Silver |