Fan Housing HS81R, HS81RC 1/4" The R version has wider

The R version has wider tooth spacing for rougher cutting and thicker growth

variable ground speed control

Compatible with ground pins for added stability on soft surfaces

For tree protection

M-Tronic sets it apart from the MS 194 T and MS 151 TC-E below it — the automatic engine management means consistent performance from a cold start on a winter morning through to the end of a warm afternoon shift without any manual intervention

Fan Housing HS81R, HS81RC 1/4" The R version has widerGenuine STIHL Fan Housing (OEM: 4237 080 1811) for use with STIHL HS81R and HS81RC hedge trimmers. This fan housing directs cooling airflow over the cylinder and protects the engine's cooling fins from debris during operation. Available from Gustharts, authorised STIHL dealer.