Series Ticks used to show the ticks on pie chart to redirect the value of particular slice.

Click on disable ticks toggle button and once user enables ticks, control options will appear as shown in above figure.

Border Width: Used to control the border width of ticks on pie chart.

Border Opacity: opacity used to control the visibility of the ticks in pie chart.

Color: Color used to control the color of the ticks in pie chart.

Length: Used to control the length of the pie chart ticks.

The Inherit property from series used to apply the individual color of ticks on pie chart.