Vestil Adjustable Perimeter Guard System In-Line Posts are square steel tube posts that act as the first building block to set off any area into a more private setting or sets a perimeter barrier around equipment and machinery. Compatible panels (sold separately) can be installed at any angle from 0180°. Includes base plate with pre-drilled slotted holes for easy installation. Each component is sold separately. On-site installation and assembly required. Complies with OSHA, EPA and ANSI specifications. Available in 6ft. or 8ft. high models.