Product code: NJT 3S spinner Button EDC Fidget Spinner offers Grip Damasteel Buttons For R188 Bearing cap Custom Size
This one is made out of Damasteel Blue Tongue.
Please check the last image on the site and tell me the dimensions of them.
The default option is made for R188 bearing, but also to be custom for others.
Size range:
Diameter: 16-27mm offers Height: 10-18mm