The secure and flexible mounting for your tablet. With the magnetic holders, four per set, you can transform any orchestra music stand with a steel plate into a useful tablet PC stand. The holders with the robust plastic body are positioned over the corners of the tablet so that operating elements or a tablet pen are freely accessible. Two strong adhesive magnets function in each holder, their noise-absorbing operation is ensured by small adhesive pads. - the manufacturer
Note: Not for use on Manhasset brand stands, which use an aluminum desk.