3 Rotary&reg; Lawn Mower Blades Fit Toro&reg; Wheel Horse 106077 117192 106636 50-1535 42 Side Discharge 36 Rear Discharge Rotary replacement blade fits Toro Windsor. 117192, 501537 3 Blades Required for a 42 Deck Quantity: Pack Rotary Mower Blades manufactures high-quality, OEM replacement lawn mower blades