The Chicago STB-11-12-PR-AB Stops and Supplies. This pair of angle stop ball valves feature 3/8" NPT female threaded inlets, 3/8" O.D. female compression outlets, and 2" tee handles. They come with slip wall flanges, and 3/8" O.D. by 20" bullnose flexible supply risers. These angle stops feature a bright, Chrome finish.