R188 Fidget Spinner replacement buttons with 19mm diameter caps. From the button design of the Kong 3-in-1 spinner.
These are made with authentic Damasteel from Sweden. Available in Bluetongue, or Parallel Layers.
These buttons featured a brand new Fidget HQ adjustable clearance system for allowing the use of the buttons on both:
Please note that the darkness of the etching, and the patterns may differ in each button set from the photos.