Grass Gator 8050 Hurricane Trim & Blow Replacement String Trimmer Head The trim and blow is designed for most gas weed trimmers It is a great replacement for the standard bump and feed heads that are hard to load and difficult to us The line installs into the trim and blow in seconds Push the pre-cut line into the head and it automatically locks into place, ready to us The grass gator trim and blow is also an excellent grass and leaf blower