This Quantum Storage Systems P6C post is made of chrome-finished steel for strength, durability, and resistance to dirt buildup and corrosion, comes with a leg leveler for use on uneven surfaces, and fits a 6" high stationary wire shelving unit (not included). The post has numbered grooves at 1" intervals and double grooves at consistent intervals to help guide the installation of shelves (not included) at desired heights. It comes in a pack of four posts.
Quantum Storage Systems manufactures storage bins and systems, and steel and wire shelving. The company is headquartered in Miami, FL.