SET OF SIX OREGON GATOR BLADES - 396702 OREGON Blades - 396702,3 is 21.0", .630 Round center hole. Made in USA. The aggressive blade angle increases air flow to push debris up-and-out for superior bagging or side discharge. Greater width and thickness extends blade life and allows for longer lifting arch to improve bagging and mulching. Replacement blade for major brands. Bobcat: 112111-03, 112243-03, 2722453-03, Encore: 823006, Jacobsen: 112111-03, 112243-03, John Deere: TCU34281, TCU35394, Spartan: 438-0002-00, Steiner: 112111-03, Sunbelt: B1PD5010, B1PD5206, Wright Stander: 71440007, 71440010. Fits John Deere modeL 661R Quik-Trak Mower. This is an Aftermarket part. Thanks for looking!