Two New Aftermarket Replacement Mulching Mower Blades C to C 3-3/4" Center Hole 11/16" Length 21-3/8" Width 2-1/2" Replaces Part Number: GX20249, GX20433 Two (2) New Aftermarket Replacement Mulching Blades Fits John Deere Riding Mower Models: L100, L105, L107, L108, L110, L111, L118, L17.542, L1742, 14.542GS, 14.542GS Sabre, 1642HS, 17.542HSFits Sabre: Most Sabre with 42" DecksTech Info:(2) Blades for 42" CutC to C 3-3/4"Center Hole 11/16"Length 21-3/8"Outer Hole 13/32"Thickness .187Width 2-1/2"Replaces Part Numbers: GX20249, GX20433, GY20567Available Individually, In Other Multiples, and Various Kits - Please See Our Other Listings!