ASC Anvil 1/2"x1/8" Galvanized Reducing Coupling. It is made of durable malleable iron with a galvanized finish for corrosion resistance. This coupling is designed to connect two pipes of different diameters, providing a secure and leak-proof seal. Anvil International offers the broadest line of Steel Pipe Couplings in galvanized finish, ensuring that every fitting meets strict quality standards. Suitable for water and oil applications.