Our rat guards are made to the customers specifications out of the finest materials. The rat guard shown is a 36 inch outside diameter and a 3 inch inside diameter. This same rat guard can be made with larger or smaller O.D. and I.D. In addition we can provide powder coating of almost any color including a clear coating. This coating provides protection from the elements associated with the environment. Shipping costs will be provided dependent on how many guards are purchased and destination.