The swivel foot extended base is a heavy-duty leveling foot with a powder coat which provides extra durability. The extension includes a through-hole to secure directly to a solid concrete floor with a wedge floor anchor. This base requires a swivel foot threaded stem.
For technical details and images, please search for the product using the 80/20 interactive catalogue found here: https://catalogs.8020.net/80-20-Catalog-26/C/.