Material: Pre-Galvanized Steel With A Zinc Electroplated Insert Nut;Finish: Pre-Galvanized;Function: Design And Recommended For The Suspension of Non-Insulated Stationary Pipe Lines. The Hanger Maybe Installed Prior To The Erection of Piping And Also Allows For Vertical Adjustment After Installation;Standard Electro-Galvanized Finish Is Cleaner Provides Superior Corrosion Protection