Parameter

OD:  1.62in.

Hole Size: 1/2*1/2in. 

 Length= 2in.

Torque ≤4Nm, the axial degree ≤0.2mm, the corner setover≤1.0.
- Adapt to the transmission of torsional measure.
- The middle part is six segments of polyurethane

We also can produce according to your requirements