Oregon 20-1/2" Mower Blade (Set of 6) - K5651-34340X,6 Product Details: Center hole: 1-1/8" High-lift: The aggressive blade angle increases air flow to push debris up-and-out for superior bagging or side discharge. High-lift is for Kubota models: RCK60-27B, RCK60-24B, RC60B-21 Superior mulching for bagging and discharge efficiency Enhanced hardening to keep the blade sharper and more durable Blade: Blade Width: 2.50" Blade Thickness: 0.250" Blade Length: 20-1/2" Center Hole Size: 1-1/8" OffSet: 5/8" Air Lift: 13/16" Thanks for looking!