ASC Anvil 1-1/4"x3-1/2" Galvanized Nipple. Made from welded steel with a hot dipped galvanized finish, this nipple meets ASTM A/53 standards and is manufactured to include no more than 0.25% weighted average lead content on wetted surfaces. Standard Schedule 40 nipple. Fitting size of 1-1/4 inch MIP on both ends.