These pages outline the chart configuration options, and the methods and properties of Highcharts objects.
Feel free to search this API through the search bar or the navigation tree in the sidebar.
In a gauge chart, this option determines the inner radius of the
plot band that stretches along the perimeter. It can be given as
a percentage string, like "100%", or as a pixel number, like 100.
By default, the inner radius is controlled by the thickness option.