The Boomerang button set is designed to fit spinners with glue or press fit R188 bearings. The Please use the specifications below to confirm the buttons will fit your spinner. Fits Mega, Mini & Aviator Spinners (Slightly Taller than Aviator Buttons)
.90" (23mm) Button Diameter
.67" (17mm) Assembled Button Height
See picture drawing for more specifications
The pattern of the buttons is non uniform and may be off center
Colors and patterns may vary from pictures shown.
Listing is only for buttons, spinner is not included.
Threaded for easy changing and removal for maintenance.
Certificate of Authenticity Card will have a Serial Number
Designed and Manufactured in the USA by 2R Designs