Best Seller | Solar Group PLMB0060 Universal Plast Mounting Board Durable molded construction. Mounts to 4 x 4 in. Wooden or plastic posts. Adapts to fit any size rural mailbox. Includes mailbox mounting hardware and instructions.Specifications Dimension - 13 x 6 x 1 in. Item weight - 0.59 lbs.Features Durable molded... more | | $21.97 FREE shipping go to store |