The Boomerang button set is designed to fit spinners with glue or press fit R188 bearings. Threaded for easy changing and removal for maintenance. Please use the specifications below to confirm the buttons will fit your spinner. Fits Mega, Mini, Aviator, Zephyr & Phantom Spinners (Slightly Taller than Aviator Buttons)
23mm / 0.90" Button Diameter
17mm / 0.67" 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