Slot Top fence caps are specifically intended for use with Star Picket fences. They are intended to improve the practicality, safety, and aesthetics of most agricultural and farming areas. The caps are made of polypropylene and are UV protected, so you won't have to worry about performance or durability even in extreme weather. Fence toppers are used to increase security. It has sharp edges at the tops that can be dangerous for animals and other creatures around, but adding the slot top caps can ensure complete protection. When the animals come into close contact with the fence, it gives complete safety and shields them from mishaps, scrapes, or cuts. Fence caps are used to keep people safe.