Raised Square Plug, 4 in Nominal Pipe Size, Brass, Polished, Socket, 4 1/2 in Outside Diameter, 3/4 in Overall Length, 0 psi Max. Steam Pressure, 0 Degrees to 212 Degrees F, Plug Construction Solid, Plug Drive Style 4 in Square, Includes Pre-Applied Thread Sealant No, Includes Seal No, Magnetic No, Black