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 |