John Deere Original Equipment Mower Blades - UC20448.

Part Spec:
Length(IN): 20.9843.
Width(IN): 2.7500.
Thickness(IN): 0.1559.
Wing Height(IN): 1.2480.
Hole Size(IN): 0.7972.
Cut Length(IN): 3.8937.
Material(ALPHA): 10B38F.
Finish(ALPHA): A - Heat Treated.

Fits John Deere Models Z515E and Z530M.
This is a OEM John Deere Part.