These Binding Discs are to for the Burton Disc bindings from 2008-10 over for use on the Burton 3D mounting. Make your old bindings work with the 3D system.
Discs are 10cm diameter overall size. comes as just discs so you will need hardware to fix to the board.
Please note this will only fit Burton Disc bindings not Re:Flex and also not other brands bindings. Contact your binding manufacturer for discs to fit the channel board.