Mailbox post kit requires no cement for installation and installs easily without a posthole digger and shovel. Simply screw the anchor into the ground. Kit includes: Stabilizer plate and earth anchor. Earth anchor holds post firmly to the ground. Patentedstablizer plate prevents post from leaning. Sturdy all weather construction. Mailbox not included. Fits all standard rural No. 1 and 1-1/2 size mailboxes.