Genuine, Toro OEM replacement Blade-Hi Flow, 24.5 Inch
Designed for maximum airflow to pull blades of grass upright as you mow for a cleaner, even finish
In addition the increased airflow reduces clumping by forcefully pushing wet grass out the deck into a bagger or discharge chute before it can clog

Fits Toro 72" Turbo Force Deck
Length: 24.5"
Center Hole: 5/8"
Width: 2 1/2"
Thickness: .250"
OEM Toro Blade

Compatible models include but not limtited to:
(Z Master 3000, 5000, 6000, 7000, and 7500-D)Z550, Z560, Z580, and Z597

You will need three for a 72" Deck