Eliminates the hassles and frustration of bump and feed type heads. Fits most gas models for Echo Homelite Ryobi Husqvarna Sears Craftsman Weed Whacker McCulloch Toro John Deer and Weedeater. Fits some Ryobi electric models. Blades change in seconds. Use for heavy grass and weeds where edging requirements are minimal. Easiest bladed head available to install. No tools required. Replacement blades 3610 (1223-0926). Carded. Length: 14. Width: 10.25. Height: 11.25