Rotary 10291, 3- Usa Made Blades-john Deere M127500 M145476, New Style 99 & Up Set of 3 Mower Blades 3 Blades Required for 48" Cut. Will Only Fit 48C Decks (Black Plastic Belt Shields), Please Verify Dimensions Before Ordering. Length: 17", Width: 2-1/2", Center Hole: .800" or 51/64", Thickness: .204" Replaces Part Number: M127500, M145476