For saw sizes up to 42 cc. Features LubriTec - Oregon's next-generation oiling system, designed to extend the guide bar and saw chain life. • Chain gauge is the drive link's thickness where it fits into the guide bar groove, matching the guide bar gauge • Chain pitch is the size of the chain and is defined as the distance between any three consecutive rivets divided by 2 • Your guide bar length is stated in the manual, and is the length of the long bar from end to tip (not the full length of the chainsaw).
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