Shop for Other Outdoor Items from Hayneedle.com! The Grass Gator Weed I Replacement Blades - 3 Pack is made from tough nylon and can be easily installed without any tools. Great for heavy-duty jobs, the blade perfectly fits the Grass Gator Weed I model 3600.About Grass GatorThe largest manufacturer of replacement heads and accessories for gas and electric weed trimmers, Grass Gator features an extensive line of products that extends the capabilities, usefulness, and usability of all trimmers. Grass Gator heads are designed to 99 percent of the weed trimmers on the market, including brands such as John Deere, Homelite, Ryobi, Weedeater, Craftsman, Echo, Stihl, Toro, Husqvarna, Troy Bilt, Shindaiwa, Cub Cadet, MTD, Snapper, Honda, RedMax, Poulan, Shindaiwa, and many others. Grass Gator replacement heads are also easy to install and easy to use.