Brass Craft CR1900DV R 1/2-Inch Nom Comp by 3/8-Inch O.D. Comp by 1/4-Inch O.D. Comp Brass Craft CR1900DV R Dual Outlet Stop, Rough Brass Variation A Multi-turn series dual outlet, dual shut-off stop Made from 80-85 percent recycled materials The brass bar stock comes from 100 Percent recycled material Rough