MIRROR POLISHED TITANIUM CUPOLA - 22 MM FOR R188 - RETENTION
These are threaded and were designed for the ATRIUM Spinner but you can use them pretty much in most R188 spinners that will have enough area for a 22 mm caps / buttons. They are really nice and concave, with a comfortable touch.
> The Cupola Caps measures 22mm in diameter x 2.8mm in thickness with a nice thin lip that provides more room and depth for its concave design.
NOTICE: Please make sure these will fit in your spinner. If you have any questions regarding size, just drop us an email.