Last week , Roberta from Italy ask me for 60mm Omni-directional wheel which is popular in school.
And I sourced her target product on 1688

Diameter: 60mm
Thickness:32mm
Number of scroll wheel:8
Angel:45 degree
Coupling height:12mm
Coupling inner diameter:4/5/6mm can choose

About this wheel, there are four type: 60mm, 75mm,100mm,127mm,152mm (Diameter of wheel)

Any question on this product, please feel free to contact with me