Oregon 91-394 Mower Blade, 20-1/2" Center hole: 7/8" Enhanced mulching for bagging and discharge efficiency Stays sharp and durable Fits John Deere Models: 160, 2210, 261, 318, 400, 4010, 4100, 4110, 4115, 420, 4200, 4210, 430, 4300, 4310, 4400, 4410, 4500, 4510, 4600, 4610, 4700, 655, 755, 802, 855,955 Better durability