One pair of 4.5 " foam surrounds suitable for the Realistic speakers. This includes the:

                                                                                                                                       MINIMUS 77 etc.

        THE  GLUE USED BY THE INDUSTRY  TO GLUE FOAM SURROUNDS IS OF THE ACETATE FAMILY. IT IS  SOLD COMMERCIALLY AS EITHER WOOD GLUE (  PVA  ) OR  CRAFT GLUE ( EVA ).. IN THE UNITED STATES IT IS SOLD COMMERCIALLY AS ELMERS GLUE.

Specifications are as follows

                                                OUTSIDE OF LIP                      113 MM

                                           OUTSIDE OF BUMP                      103 MM

                                               INSIDE OF BUMP                        83 MM

                                                    INSIDE OF LIP                        73 MM