Steel post protectors 18″h post protector 1/4″ thick these post protectors serve as a pallet rack guard to improve plant safety and efficiency. The guards provide pallet rack protection and reduce building repairs due to accidental impact and collisions. Guards are made using heavy gauge steel with a durable powder coat finish. Units fit 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.