To Offset Objects by Specifying a Distance (AutoCAD Mechanical Toolset)

Click Home tabModify panelOffset. Find
Use the pointing device to specify the offset distance, or type a value, or press ENTER to use the default value(s).
Select the object(s) to offset.
Specify the side to offset.
Press ENTER to end the command.

Note:

You can enter as many values you need. Use the "|" pipe symbol to separate the values.