Steel Surface Mount Bollard 4"/6" Diameter (42"H)Handle It Steel Surface Mount Bollard 4" 6" Diameter 42" Height Used to protect building corners; rack ends, doorways, machinery, and any situation where you need to protect against high traffic. Handle It steel bollards are floor mountable and used to protect from impacts of lifts, and transport equipment, and can be used in various areas of your warehouse. Standard steel cap cover included. Durable steel pipe construction 4" and 6" diameter and