DPK The Cedar Drive-In Post Kit requires no digging or concreting for installation. It is constructed from aromatic red cedar and is pre-notched for easy assembly. It fits standard and large size mailboxes. The kit includes all assembly and mailbox mounting hardware. Features: -Includes steel anchor, all assembly and mailbox mounting hardware. -Finish : Aromatic red cedar. -Precut and notched for easy assembly. -No digging or concrete required. -Fits standard T1 and large T2 size mailboxes. -Dimensions: 4.62 - 42" H x 7.67 - 42" W x 7.67 - 42" D.