Outer diameter size[mm]：
2-34
Length of the rollers [mm]：
3-75

Outer diameter size[mm]：
0.5-4
Length of the rollers[mm]：
3-30

Outer diameter size[mm]：
4-24
Length of the rollers[mm]：
5-140

Outer diameter size[mm]：
5-23
Length of the rollers[mm]：
6-34

Outer diameter size[mm]：
4-30
Length of the rollers[mm]：
5.5-40

Outer diameter size[mm]：
8-80
Length of the rollers[mm]：
6-120