BrassCraft Toilet Supply Kit has everything you need to connect your water supply to your toilet. Components include: (1) 1/2 in. Nominal Sweat inlet x 3/8 in. O.D. Compression outlet multi-turn angle valve, (1) 3/8 in. O.D. x 12 in. length copper riser, and (1) shallow flange. All components are chrome-plated for a clean professional appearance. An angle valve is most often used when the water pipe enters the room from the wall.