This Trimmer was manufactured July 2019 by MTD for Craftsman.
The 25 CC two cycle engine runs on a 40 to 1 gasoline to oil mixture.
Trimmer has a new spark plug.
The curved shaft trim head takes a maximum string diameter of .105"trim and cuts a 16" swath.
The straight shaft attachment presently has .155 diameter twisted string and appears to cut a 17" swath.