| Type No. |
| HELF 0204 |
| HELF 0304 |
| HELF 0404 |
| HELF 0504 |
| HELF 0604 |
| HELF 0604A |
| HELF 0804 |
| HELF 0804A |
| HELF 1004 |
| HELF 1004A |
| HELF 1204 |
| HELF 1204A |
| HELF 1404 |
| HELF 1604 |
| HELF 1804 |
| HELF 2004 |
|
|
| Diameter |
| 2.0 |
| 3.0 |
| 4.0 |
| 5.0 |
| 6.0 |
| 6.0 |
| 8.0 |
| 8.0 |
| 10.0 |
| 10.0 |
| 12.0 |
| 12.0 |
| 14.0 |
| 16.0 |
| 18.0 |
| 20.0 |
|
|
| Flute Length |
| 15 |
| 15 |
| 20 |
| 25 |
| 25 |
| 30 |
| 25 |
| 35 |
| 40 |
| 40 |
| 45 |
| 45 |
| 60 |
| 60 |
| 60 |
| 60 |
|
|
| O.A.L |
| 75 |
| 75 |
| 75 |
| 75 |
| 75 |
| 100 |
| 75 |
| 100 |
| 100 |
| 150 |
| 100 |
| 150 |
| 150 |
| 150 |
| 150 |
| 150 |
|
|
| Shank Dia |
| 4 |
| 6 |
| 6 |
| 6 |
| 6 |
| 6 |
| 8 |
| 8 |
| 10 |
| 10 |
| 12 |
| 12 |
| 16 |
| 16 |
| 20 |
| 20 |
|
|
