6" Centrifugal Expander Rubber Wheel Motor Grinder Part

6"  Expander Wheel 

Options: 

1. 152x50x15.875mm 
2. 150x50x25mm 

Specification:

1. Outer Diameter: 150mm/152mm
2. Width: 25mm/50mm
3. Inner Hole: 25mm/15.875mm

Expander wheel on working, just for reference.