Complete 2 speaker foam surround installation kitThis ANGLE-ATTACHED foam is used ONLY on the following Infinity speakers : Infinity 902-1187, 902-2680, 902-4477 (P/N 028-4505), 902-5562, BU-120 Powered Subwoofer, BU120 Powered Subwoofer, BU-2 Powered Subwoofer, BU2 Powered Subwoofer, Monitor, Monitor 2, Monitor 2A, QLS, RS-4.5, RS4.5, RS-5000A, RS-5000A, SM 12GCF (333512-001), 2002, 5000, 490701, 2000A, 3000B, 3000P, 4000B, 333512-001 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 2A12B-Infinity Outer Diameter 11.75" - 298mm Outer Roll Diameter 10.625" - 270mm Cone Diameter 9.25" - 235mm Inner Diameter 8.5" - 216mm Roll Width 3/4" - 19mm Inner Attachment Angled How To Center Your Voice Coil Using Smartphone or Tablet