A standard twisted line that offers reduced noise level and a clean, even cut
A standard, round line for all applications from light to heavy trimming
A plus-shape design that offers 8 cutting surfaces for heavy-duty conditions
A unique square, twisted design that delivers maximum cutting efficiency
Genuine Echo Universal Speed Feed Head 400 Part #: 99944200907 Fits models: 99944200540, 99944200907, SRM-225
Genuine Shindaiwa/Echo Universal Speed Feed 400 Head 78890-30000