Mail Boss Galvanized Steel Black 8-1/2 in. W X 8-1/2 in. L Mailbox Base Plate

The Mail Boss Base Plate allows you to secure a mailbox post to a variety of surfaces, including concrete or asphalt. Generally, the Mail Boss Base Plate should be used with the 27 inch surface mount post, however, in some unusual applications the Base Plate may be used otherwise. Constructed of 10 gauge galvanized steel for strength and stability. Features a durable powder-coated finish.