LASCO 03-1815 Faucet Chrome Plated Supply Tube Connection Nut 3/8-Inch Tube X 1/2-Inch FIP. Includes 1/2-Inch female pipe thread, cone washer, friction rings, and slip joint nut. Intended for use with old style corrugated and smooth metal supply lines . Chrome plated to match with décor and for clean polished finish look. Washers are included with the kit for a complete installation. Install using basin wrench for easy installation. Lead free kit.