Genuine Echo Blade Kit W/Blade TrimmersPart #: 99944200422Fits Echo: SRM-225, SRM-225i, SRM-225SB, SRM-225U, SRM-230, SRM-230S, SRM-230U, SRM-266, SRM-266S, SRM-266T, SRM-266U, SRM-2620, SRM-2620T, SRM-2620U, SRM-280, SRM-280S, SRM-280T, SRM-280U