Too often people receive their employee review directly from their supervisor, and the feedback received is provided by one person who may or may not have a firm grip on what you do, or the full value of what you provide.
This exercise provides a panoramic view of your leadership skill-set as input is provided by your direct reports, peers, co-workers and upper management.
By initiating a Leadership-tools.com 360 degree feedback assessment, you are asking people all around you to provide an unvarnished assessment of your leadership skill-set.