91-580 Oregon Blade 20-15/16″, .752 center hole

91-580 Oregon Blade 20-15/16", .752 center hole.  Outside holes .503".  3" center to center.  Width 2.74", thickness .188".  Mower blades have been in inventory and may have some powder coat/paint peeling and or surface rust. However they are brand new never used blades. Price is for a single blade.