N2 M-5729 Two (2) Spark Plugs Replaces 794-00055A and 794-00055 NGK brand plugs for select trimmers and more; Warranty: This part shall be free from defects in material and workmanship under normal use and service for three-months from the date of purchase You can return this item (for any reason) if you ask for a return within 30 days of receiving your order and have not installed your product