GrassGator Load n' Cut replacement trimmer head. Pre-cut line head designed to replace Bump & Feed type heads and eliminate the need to mess with spools and bump knobs. Can be used as a 2 or 4 line head. Comes pre-loaded with GrassGator Round. 130 trimmer line but it also takes .095 or .105. Ideal for both open field applications and cutting along solid objects. Worn out lines can be replaced in seconds with no need to remove the head off the trimmer.