Handy Post 5, HP-1W5, Vinyl Mailbox Post Sleeve, White, 42-in H x 54-in W x 5-in D

Accommodates 5 S,M,L size mailboxes (9-in max width each) Assembled dimensions 42-in H x 54-in W x 5-in D Maintenance Free and Durable PVC (Vinyl) with Lifetime Warranty Fits over existing or new wood 4x4 (actual 3.5"x3.5") post or many no-dig supports Simple to install and will NEVER lose its white color The cross-arm is 54" long across the upright. The vertical post and the height of the cross-arm is 42" from the ground MAILBOXES NOT INCLUDED