This 12" Forester Guide Bar and Chain Combo is the perfect replacement for your Echo, Husqvarna, or Poulan chainsaw. The guide bar is made from high-quality materials and is compatible with a range of models including the Echo CS-280, CS-290, CS-300, 301, 302, 400, 440, 510, 3000, 3400, 3450, 3600, 3900, and 4000, as well as the Husqvarna 23, 36, 41, 136, and 243.