Buy in bulk and save on these UV treated heavy duty zip ties. It's the easiest way to attach deer fence to posts. Our specially constructed ties are made from black UV stabilized nylon; this is an extremely important attribute for a tie that is out in the sunshine. Heavy duty ties are recommended for attaching both Freedom Deer Fence and Ultra Freedom Deer Fence to posts. These are also perfect for installing Nylon Tension Cable and Chew Protection Barrier!