This Toro OEM 21-inch bagging replacement blade is designed with a straight, aerodynamic profile that cuts grass cleanly and channels clippings efficiently toward the discharge opening or bagger. The blade's geometry prioritizes clean discharge over mulching, making it the right choice when collecting clippings in a bag or side-discharging onto a lawn. Compatible with multiple Toro riding lawn mowers models — verify your model and serial number before ordering.