Product details:

Made of heavy duty aluminum, Salsbury designer spreaders are an ideal way to mount multiple designer roadside mailboxes to pedestals. Optional two wide and three wide spreaders easily attach to standard pedestals. Designer roadside mailboxes can also be mounted in groups sing the 2-sided deluxe posts.Dimension - 3.5 W x 48 H x 3.5 D in.Color - BrassItem Weight - 20 lbs