You are purchasing three replacement blades for Ferris and Snapper 52 ICD Sloped Nose Decks ---Specifications--- Length: 18 Width: 2-1/2 Center Hole: 5/8 Thickness: .250 Made in USA ---Fits Models--- Ferris: 52 ICD Sloped Nose Deck ---Replaces--- Ferris: 5101756 Please double check model serial and part numbers to verify fitment prior to purchase. Thanks!