BE CAREFUL Highly recommend you wear boots or at least ankle-high shoes and jeans. The pieces of trees and rocks may bounce off of your leg. Safety glasses or goggles are necessary. COMPATIBLE WITH: These brush blades and Adapter Kit can compatible with OEM blades on select Husqvarna, Stihl, Ego, Oregon, and Hitachi trimmer models. They are also compatible with other brands including Coocher Brush Trimmers, Dewalt Brush Trimmers. Compatible with Forester brush blades.