PIPE DECOR galvanized nipples are made from the highest quality materials, great for all your do-it-yourself industrial inspired pipe projects. Why use galvanized pipe for your next project. These genuine, Class 150, black steel connectors are dipped in a hot zinc bath making them corrosion resistant. You can use galvanized pipe, nipples and fittings to create towel bars and robe hooks for the bathroom, curtain rods, pipe furniture, outdoor railings and fences. These connectors are suitable for both indoor and outdoor projects. Craft galvanized pipe, nipples and fittings into a surprising number of looks and aesthetics: steampunk, modern industrial, factory, French country farmhouse, vintage, retro, and reclamation decor. PIPE DECOR is a way to showcase your creativity while creating functional home decor pieces that last. These galvanized connectors are also for use with traditional plumbing applications. Color: Silver. Material: Galvanized Steel.