Complete 4 speaker foam surround installation kitSome of the models that use this foam include : Bose 2, 4.2, 10.2, 111791, 114271, 127542, 127542-1, 18187019 (070500), 300, 301, Continental, 301 Series IV, 301 Series III, 301 Series II, 601, 601 II, 2A, InterAudio 2000, InterAudio 3000 XL, InterAudio A-2, Model 31, SA-300, SA300, StudioCraft 330 and others that match the measurements shownSame American-made surrounds that we use in our professional repair facility; NOT cheap Chinese copies!! Kit includes: - 4 Premium American-made Foam Surrounds (Enough for 4 Speakers)- Step-by-step installation instructions - (Also see video below)- 1 Bottle of premium professional-grade adhesive (Solvent-based)- 1 Adhesive application brush Kit 4A810-Bose Outer Diameter 7.625" - 194mm Outer Roll Diameter 7.125" - 181mm Cone Diameter 5.875" - 148mm Inner Diameter 5.25" - 133mm Roll Width 5/8" - 16mm Inner Attachment Angled How To Center Your Voice Coil Using Smartphone or Tablet
