Genuine OEM Toro part
Bends grass in the direction you mow to lay it down and cause sunlight reflection from the blades, creating a striping pattern
Fits Toro models but not limited to:
77506, 77504, 76502, 76411, 76511, 77503, 77507, 77601, 76614, 76501, 76660, 76606, 77520TA, 77603, 76660TA, 76440TA, 76448, 76554, 76605, 76550TA