spesifikasies:
| Lengte (mm) | Deursnee (mm) |
| 14 | 1.5 |
| 16 | 1.8 |
| 18 | 2.0 |
| 20 | 2.0,2.2 |
| 23 | 2.2,2.4 |
| 25 | 2.4,2.5,3.0 |
| 27 | 2.7,3.0 |
| 30 | 2.7,3.0,3.5 |
| 35 | 2.4,3.0,3.5,4.0 |
| 40 | 3.5,4.0,4.5 |
| 45 | 4.0,4.5 |
| 50 | 4.0,4.5,5.0 |
verpakking:
1 kg / sak (boks), 20 kg / karton, of 25 kg / karton.
