SPECS: Diameter: 1-1/4 inch | Length: 24 inch | Thread Type: Coarse (standard) | Threads Per Inch: 7 | Fully Threaded |Grade: B7 | Material: Carbon Steel | Finish: Hot Dip Galvanized MULTI-PURPOSE: Fully threaded rod used for hanging fixtures, sprinklers, lights and much more Hot Dip Galvanized: Designed for indoor use only where chemicals and solvents are not present Hot Dip Galvanized: Designed to provide great corrosion resistance