PVC Coated Conduit Nipple, 2 Inch/53 Metric Pipe Size x 16 Inch/406.4 Millimeters Nipple Length, Nominal .002 Inch (2 mil) Blue Urethane on Interior, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Blue Urethane Coating Over Threads, Hot-Dip Galvanized Rigid Steel, Gray