Blind Plug, 4 in Nominal Pipe Size, Cast Iron, Socket, 4 7/16 in Outside Diameter, 1 3/4 in Overall Length, 0 psi Max. Steam Pressure, 0 Degrees to 212 Degrees F, Plug Construction Solid, Plug Drive Style 4 in Round Cap, Includes Pre-Applied Thread Sealant No, Includes Seal No, Magnetic No, Black