Semi-Automatic - These are also known as Tap n’ Go heads. These trimmer heads are fed automatically when the head is pushed into the ground which put you in total control.
Fully-Automatic - These heads have line that is automatically fed when it has become too short for productive use. The line is self adjusting to ensure that the best performance is achieved.
Easily find and buy Trimmer Heads - Bump Feed by selecting a manufacturer from the list below.
![Mountfield Nylon Head [M10 - Female - L/H - Thread]](/image/parts/155/155/nylon-head-1231550090-2.jpg)
![Mountfield Nylon Head [M10 - Female - L/H - Thread]](/image/parts/155/155/nylon-head-assembly-3231550000-2.jpg)
