3/8" X 6" Galvanized Steel Nipple Please log in to see price or purchase this item Quantity discounts available SKU: 44391 Catalog Pg #: 112 Details 3/8" x 6" Galvanized Steel Nipple. Zinc coated for use in water applications. Used to repair or make an extension from a fitting or existing pipe. Details Back Details3/8" x 6" Galvanized Steel Nipple. Zinc coated for use in water applications. Used to repair or make an extension from a fitting or existing pipe.