Add a handy MDF shelf to Formulate, Linear or Aero stands with the Universal Accessory Shelf Bracket. The bracket works with these Universal Clamps: Formulate Universal Clamp 32mm, Formulate Universal Clamp 30mm, Aero Universal Clamp, Linear Universal Clamp. 1 year guarantee. Please note that the MDF shelf is sold separately and that overloading may cause instability. Always check that the stand is stable before adding additional accessories.