A quality non genuine blade shaft housing, fits Husqvarna PR17 AWD, PR17, Proflex 21 AWD, Proflex 21, R13 C5, R15 T AWD, R15 Ts AWD, R418 Ts, R418 Ts AWD, R422 Ts, R422 Ts AWD, Rider 11 C, Rider 11 R, Rider 13 AWD, Rider 13 C, Rider 13, Rider 15 C, Rider 15 T, Rider 15 V2, Rider 15 V2 AWD, Rider 15 V2S AWD, Rider 155 AWD, Rider 155, Rider 16 C, Rider 16 C AWD, Rider 16, Rider 175 AWD, Rider 175, Rider 18 AWD, Rider 18, Rider Pro 15, Rider Pro 18 AWD, Rider Pro 18.