Symbolic Replacement EST, Channel, 3D or 4X4 style Bolt Patterns Discs Parts for Most Snowboard Bindings Replacement discs fit most bindings Similar to top snow board binding brands like Burton snowboards, Lamar, LTD, LTR, Limited, Rome, Ride, Omatic, K2, Forum, 24/7, Palmer, lib tech, Wide, Flow, M3, Millennium Three, Silence, Gnu, Banana, World Industries and Signal. , Fits most large bindings but please measure you binding opening to see if these will fit. We are not responsible if these dont fit your bindings. The inside disc size is 8.5 cm. The outside(top) of disc measurement is 10.5 cm. NOTE- we have 2 different diameter sizes in this disc. Measure and make sure this is the correct size disc.