Complete 1 speaker foam surround installation kitSome of the models that use this foam include : Advent Legacy, Legacy II, Legacy III, Maestro, A1099, A1010, 6003, 6300, Powered Sub, PS10 and others that match the measurements shownThis is a specialized foam. Very light and pliable with a direct-attach roll.Same American-made surrounds that we use in our professional repair facility; NOT cheap Chinese copies!! Kit includes: - 1 Premium American-made Foam Surround (Enough for 1 Speaker)- Step-by-step installation instructions - (Also see video below)- 1 Bottle of premium professional-grade adhesive (Solvent-based)- 1 Adhesive application brush Kit 1Bos10 Outer Diameter 9.5" - 241mm Outer Roll Diameter 8.875" - 225mm Cone Diameter 7.625" - 194mm Inner Diameter 7" - 178mm Roll Width 5/8" - 16mm Inner Attachment Direct-angle How To Center Your Voice Coil Using Smartphone or Tablet