An easy way to mount a large feeder or birdhouse to a standard 4x4 post (3-1/2" x 3-1/2"), just slip over the top of the post and attach feeder to it with included hardware.Constructed from Eastern White Pine. Made in the USA!Conservation Mount for 4x4 Post - Easily mount your bird house or bird feeder to a standard 4 x 4 post using the Conservation 4 x 4 Post Mounting Bracket. A significant, 7.25" square platform creates the top of this bracket, handily supporting houses or feeders with significant, solid bases. Predrilled holes in the corners of this platform make it easy to secure this bracket to a larger birding item with a 6” square or larger base, while the extended neck slides over a standard wooden 4 x 4 post in moments. Additional pilot holes on this sleeve can secure this bracket to the post for a different effect. Its sustainably sourced, all pine construction remains hardy for many seasons, aging to a lovely gray after elemental exposure, and the streamlined design makes the item simple to use. Readily showcase your birding accent on a post with help from this 4 x 4 Post Mounting Bracket.