BRASS CAPS FOR R188 - RETENTION
High quality brass caps (AKA buttons / grips / finger pads) for hand spinners that use a R188 bearing.
* Cap diameter: 1,9 cm (0.74")
* Distance from inner edge to inner edge: 0,7 cm (0.27")
* Distance from outer edge to outer edge: 1,1 cm (0.43")
Note: This caps will not fit hand spinners that uses 608 or 606 bearings, only r188. Also make sure the thickness of your spinner will fit the specs above. If you have any questions, or is not sure which bearing your spinner uses, please contact us before buying this product. We are always happy to help!