The Grass Gator Load n' Cut replacement trimmer head will fit 99% of all gas weed trimmers, including: Ryobi, John Deere, Echo, Stihl, Homelite, Bolens, Weedeater, Craftsman, Toro, Cub Cadet, Troy Bilt, Poulan, and most other makes. The Load n' Cut is designed for most gas weed trimmers, and is a great replacement for the standard bump & feed heads that are hard to load and difficult to use. The line installs into the Load n' Cut in seconds. Push the pre-cut line into the head and it automatically locks into place - ready to use. The Grass Gator Load n' Cut is excellent for both grass and weeds, and the tough, .130 diameter, line provides excellent service and longevity.