This form is opened from the Edit Profile - Edit Rubber Entity tool.
Edit Profile Rubber Entity
Offset
Start
Enter the additional offset required at the start of the profile rubber entity.
End
Enter the additional offset required at the end of the profile rubber entity.
Angle
Start
Enter the minimum angle required at the start of the profile rubber entity.
End
Enter the minimum angle required at the end of the profile rubber entity.
Palette
From the pulldown list choose the profile rubber palette to assign to the entity.
Start and end the same
If you switch this option on then the start and end values for both offset and angle will be the same. For example, as you change the Start Offset the End Offset value will be automatically changed to match it.