I bought the Grass Gator because I was tired of the hassle of the old type string trimmer heads that are so hard to change the line in. This was very easy to attach to my weed eater and is able to replace 99% of weed eater line heads. The trimmer worked just as good as the original, but when it came time to change the line, that is when I noticed how much easier it was to put the new line in and in no time I was ready to trim again. The only problem I had so far, is that the last time I use it when the line ran out, the steel piece that is a guard where the line comes out came loose and was lost, so now I have to try to get a replacement piece or buy another new Grass Gator. I will definately buy another one, if I am not able to replace the piece because I was satisfied with it's performance for the most part.