Yamaha 10" Speaker Foam Surround Repair Kit - 2A10Complete 2 speaker foam surround installation kit Some of the models that use this foam include : Yamaha: JA 2536, JA2536, JAY 4000, JAY4000, 10442, NS A1035, NSA1035, NS A66, NSA66, NS 200, NS200, NS 440, NS440, NS 440RM, NS440RM, NS 5, NS5, NS 6, NS6, NS 77WF, NS77WF, NS A1030, NSA1030, NS A77, NSA77, NS A77B, NSA77B, S 110H II, S110H II, S 110PH, S110PH, SM 10H, SM10H, SW 10, SW10, and others that match the measurements shown Same American made