ASC Anvil 1/2"x3" Galvanized Nipple. It is made of welded steel with a hot dipped galvanized finish for corrosion resistance. It has a 1/2" MIP (male iron pipe) connection on one end and a 1/2" MIP connection on the other end. This nipple is 3" long. Manufactured to include no more than 0.25 % weighted average lead content on wetted surfaces.