Complete 2 speaker foam surround installation kitSome of the models that use this foam include : Onkyo D-3, D3,D 3, W-2543A, W2543A, W 2543A, SC-601, SC601, SC-601 and others that match the measurements shownSame American-made surrounds that we use in our professional repair facility; NOT cheap Chinese copies!! Kit includes: - 2 Premium American-made Foam Surrounds (Enough for 2 Speakers)- Step-by-step installation instructions - (Also see video below)- 1 Bottle of premium professional-grade adhesive (Solvent-based)- 1 Adhesive application brush Kit 2A10-Onkyo Outer Diameter 9.75" - 248mm Outer Roll Diameter 8.875" - 225mm Cone Diameter 7.75" - 197mm Inner Diameter 7" - 178mm Roll Width 5/8" - 16mm Inner Attachment Angled How To Center Your Voice Coil Using Smartphone or Tablet
