All aluminium construction and unrivalled in stability the 475 pro geared tripod incorporates a unique centre brace structure system reliable quick action leg locks non rollback three faceted geared centre column spirit level and rubbermetal spiked feet the revolutionary centre brace system can be operated in a symmetric or asymmetric way this allows you to achieve two important results fast positioning by locking the braces so that all of the legs will spread to the same angle and open