It is compatible with all buttons on the market.Available in various colors to perfectly match the installation point.The screw is already integrated, allowing for greater speed in installation.Versions:A: suitable for all materials, including fiberglass, wood, and other composites.B: developed for use in sandwich-constructions with min. 10-mm core thickness.C: Metric thread for screwing into aluminium or iron (profiles, hulls, windscreens, etc.).