Can anyone help identify this?

[JLee123]

View attachment 703189

 

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[pistol-pete]

It's a blade guide for a Tractor side hay mower

 

[taz42o]

Tooth from sickle bar mower.

 

[taz42o]

Called a rock guard.

 

[Grizzly13]

Take it from a farm boy , They are exactly correct !