Complete 2 speaker foam surround installation kitSome of the models that use this foam include : Snell Type E, Type E II Type E III, Type E IV, Type E 2, Type E 3, Type E 4, Type J, Type J II, Type J III, Type J IV, Type K, Type K III, Type K IV, Type K3, Type K 4, Vifa 8" M21WN07, Type J 2, Type J 3, Type J 4, Type K, M21wn0704 and others that match the measurements shown This foam will also front attach, and function properly on the Type K's, (Type K, Type K II, Type K III, Type K IV, Type K 2, Type K 3, Type K 4). Although it is not an exact replacement, this is the closest foam currently available. Same 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 2A8-Snell Outer Diameter 7.75" - 197mm Outer Roll Diameter 7" - 178mm Cone Diameter 6" - 149mm Inner Diameter 5.5" - 137mm Roll Width 1/2" - 13mm Inner Attachment Angled How To Center Your Voice Coil Using Smartphone or Tablet