The Boomerang button set is designed to fit spinners with glue or press fit R188 bearings. Threaded for easy changing and removal for maintenance. The Please use the specifications below to confirm the buttons will fit your spinner. Fits Mega, Mini & Aviator Spinners (Slightly Taller than Aviator Buttons)
23mm / 0.90" Button Diameter
17mm / 0.67" Assembled Button Height
See picture drawing for more specifications.
Copper 145 Tellurium
300 Series Stainless Steel
Titanium Grade 6ALV4
Listing is only for buttons, spinner is not included.