Steel post protectors 18″h post protector 1/2″ thick improve plant safety and efficiency with these post protectors. Post protector helps reduce building repairs due to accidental collisions. Post guard is made using heavy gauge steel with a durable powder coat finish. This rack guard fits around rack posts up to 4″w. Includes four pre-drilled 9/16″ mount holes that allow floor anchoring for installation (hardware not included). Base plates measure 7-1/2″l x 6″w.