Wing Coaster - Unique sandwich construction of specially selected materials (Isofloor-based), which effectively reduce structure-borne noise while ensuring optimal weight and pressure distribution - By decoupling the instrument, the sound is improved and the structure-borne sound transmission reduced by approximately 3 dB, which corresponds to almost a halving of the cause - Inner diameter: 80 mm - Outer diameter: 105 mm - Colour: Black - Shipping quantity: 1 Set (3 pieces)