Brand Name: Gibraltar Mailboxes *Color: Black *Material: Plastic *Product Type: Mailbox Mounting Board *Gauge: .090 Ga.*Length: 13-1/16 in. *Packaging Type: Bulk *Mount Type: Top Mount *Hardware Included: Yes *Screws Included: Yes *Width:6 in. *Usage: Fits Standard and Large Mailboxes *Number in Package: 1 pk *Features durable molded construction* Accommodates T1, T2 or T3 size rural mailboxes (does not fit jumbo size mailboxes)* Includes hardware and instructions *Discovery ACC, NBR, SUP