Excellent when used to secure 4x4 post to joist in crawl space under houses. "U" shaped bracket on top fits any 2 x joist / beam to create extreme lateral support. Square tube on bottom allows 4x4 or 6x6 shore lumber to fit securely. Use 1" screws to secure through any of 12 screw holes.
If you are looking to support 4x4 or 4x6 beams see the Ellis Manufacturing Bean Holder.