Oregon 90-354 Mower Blade, 18-15/16" Requires 3 blades for 54" cut Stays sharp and durable Outstanding bagging and discharge efficiency Major brand replacement: John Deere Fits Models: 2210, 4010, 4110, 4115, 4210, 4310, 4410, 4510, 4610, 4710, GT225, GT235, GT235E, GT245, GX255, GX325, GX335, GT345, GX355, LX255, LX266, LX277, LX279, LX280, LX288, X series, Z425, Z445