Industrial, claustrophobic corridor and room tiles designed for the battle between Terminators and Genestealers.
These tiles are frequently used as assets in programs like Tabletop Simulator or Roll20 to recreate classic Games Workshop board games.
Early dungeon-crawl assets that often overlap with Games Workshop's historical tile designs.
If you are looking for a (e.g., the "Throne Room" tile from Warhammer Quest or a specific intersection from Space Hulk), you would typically find them organized in subfolders by game title once the archive is extracted.
You will need a utility like 7-Zip or WinRAR to open the .7z file.