Lightweight and easy to handle like electric trimmers, but without the restriction of a mains cable. They are fitted with dependable engines producing high torque even at low RPM; the "tap'n go" head provides automatic line advance without the need to stop work. A self-lubricating liner protects the transmission and reduces vibrations for improved operator comfort. This model is also equipped with a clutch, permitting better control of the machine (at minimum revs. the tool does not rotate), greater protection for the motor and perfect results even on long grass