|  Art No. |  A. Inner Dimension (Ø) |  B. Overall Length (mm) |
|  N-Roller01 |  10 | 25  |
|  N-Roller02 |  10 | 51 |
|  N-Roller03 |  12 |  42 |
|  N-Roller04 |  12 |  51 |
|  N-Roller05 |  12 |  65 |
|  N-Roller06 |  12 |  75 |
|  N-Roller07 |  15 |  49 |