One pair of  8" foam surrounds suitable for the Kef speaker including the 

                                                                                                                     104 , 104-2 , 104/2 , 105 , 105/3 , B200 , 165-3 , SP1236 , SP 1232 , SP 1256 , 103 , 103/3 etc.

                       FITS ALL 8" FRAMES WITH 5 7/8" TO 6 1/8"  CONES.

Specifications are as follows.

                                                      OUTSIDE OF THE LIP   -  197mm

                                              OUTSIDE OF  THE BUMP     -  178mm

                                                   INSIDE OF  THE BUMP    -   150mm

                                                        INSIDE OF THE LIP     -   137mm

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