3 Rotary&reg; Mower Blades Fit John Deere AM-100946 AM-31100 M127466 M41967 46 47 48 Deck Model 300 Series Sabre 1646 Rotary replacement blade fits John Deere Windsor AYP Husqvarna. AM100946, AM31100, M127466, M41967, 501855, 173921, 532173921, 917532173921, 954633781, 532173922 3 Blades Required for a 46" Deck Quantity: Pack Rotary Mower Blades manufactures high-quality, OEM replacement lawn mower blades