- Small size Diameter 48-50mm
- Works with standard spinner skate bearings 8x22x7mm
- Optional holes meant for M3 6mm screws to add weight for longer spin
Product is designed for a snug bearing fit. If it is too tight light sanding may be required.
Spinner Caps sold separately
https://www.shapeways.com/product/QTK7XNP2K/spinner-caps-pair
or
https://www.shapeways.com/product/3YXC45HSB/spinner-caps-screw-design-pair
Video is of my 4 year old demonstrating the spinner.