Frost-Proof Wall Hydrant - Prevents outside faucet freezing. Chrome-plated brass body and tube. Lead-free silver solder construction. Built-in lock-shield. 3/4" hose thread outlet. The sillcock drains automatically upon water shut off, if the hose is removed or open. 1/2" nominal copper sweat or 1/2" M.I.P. Import. - Type: Frost-Proof, Size: 3/4" HT Outlet X 1/2" No, Finish: Chrome Plated, Material: Brass