Listings describe the fittings as made from industrial-grade malleable iron (durable iron).
The descriptions note compatibility with IPS-threaded pipes and fittings (IPS threads).
Listings describe a shiny silver, polished finish that provides a clean, reflective appearance.
The descriptions cite uses such as attaching pipes to make table legs, bar stool legs, clothing racks, and other DIY furniture or decorative projects.
Listings indicate the fittings complement a wide range of styles, including industrial, vintage, modern, steampunk, factory, French country farmhouse, retro, reclamation, and customized DIY designs.