1. material: Made of quality marmoleum forged cast iron with a wall thickness of 3 mm (0.12 inches), it is strong and durable, providing pressure resistance and stability. The surface is blackened to offer corrosion and rust resistance for longterm use. 2. Strong practicality: The item features an allover blackened design with a frosted texture that appeals to the senses—a pure color without mixed shades, making it for vintage, industrial, steampunk, or Syrianstyle cast iron faucets or black pipes. 3. Scope of application: These fittings can be used both indoors and outdoors, suitable for creating pipe lamps, floating shelves, hanging shelves, wall decor, pipe hangers, and many other DIY projects. They can also be used to secure bookshelves, craft tables, TV stands, bed frames, lamps, and more. 4. Easy to use: The 4way cross connector is simple to install. Just screw the plug onto the compatible pipe, and it will be firmly fixed for a long time without the need for gluing or soldering. It connects easily to pipes and provides a reliable grip.