Architectural Mailboxes 5112B Duo Spreader for Standard Posts - Black
The Spreader Plate bolt patters are 4" by 10". They are compatible with all Oasis Series Mailbox and Drop Box products.
Post: 14 gage (2.0mm) steel sheet.
Assembly Hardware: Zinc plated assembly bolts and nuts.
Architectural Mailboxes 5112B is also known as 5112B , 5112B