Brushes for string trimmers - grass trimmers are very effective, safe and ecologically friendly. Use brushes for string trimmer to remove easily and quickly weeds, shrubbery on streets, walkways, grass pavers, curbstones, cobbled areas and hard to reach corners, even in wide floors like courtyards, parkings. They substitute chemical herbicides often forbidden by the law in many countries. How to use them? It's very easy, just watch... Or visit www.sitbrush.com for more SIT brushes for string trimmer will fit any kind of "weed eater" with proper adapters, Stihl, Ryobi, Efco, Husquarna, Kawasaki, Honda and others... Recommended string trimmer motor size: 1.6 HP or more (25 cc - 1.53 cu.in.).