Replaces Part Numbers:M145476, M127673, M127500, M146715, AM141907, AM148663, UC22009.Please confirm your part number before ordering Compatibility:Compatible with 48" deck 345, 325, 335, GX255, GX325 GX335 GX345 ,GX355,LT180, LT190, LX280 LX289, 335D, 345, X465, X475, X485, X495, X575, X585, X595, X700, X720, X724, X728, LX200, GT225, GT235, GT235E, GT245, LT170, X300, X304, X310, X320, X324, X330, X340, X350, X350, X354, Z325E, Z330M, Z330R, Z335E, Z355R, Z425, Z435, Z445, LT180，LT190，etc High Lift Mower Blades:Our high-lift mower blades feature an aerodynamic vertical angle that maximizes airflow efficiency, specializing in superior grass bagging and swift clipping discharge. Eliminate frustrating clogs in discharge chutes and achieve consistently even cuts with every pass. Built to withstand rigorous use while maintaining cutting excellence - upgrade your mowing experience with blades that deliver lasting power and precision Safety Coating-NO NEED TO SHARPEN:New blades come with a factory-applied protective coating. Do not scrape or remove it manually.Scraping it off manually may compromise corrosion resistance.Minor coating particles may discharge during the first 5 uses—this is normal Mower Blade Size:Round Center Hole：13/16",Length 17",Width 2 1/2",Cutting Edge Length 3 3/8",Thickness 3/16",Air Lift 1" M145476 mower blades-3PC