Square Head Plug, 1/2 in Nominal Pipe Size, Stainless Steel, 316L, Class Class 150, For Pipe Schedule 40, Male NPT, 1/2 in Outside Diameter, 23.5 mm Overall Length, 300 psi Maximum Operating Pressure, 150 psi Max. Steam Pressure, -20 Degrees to 350 Degrees F, Plug Drive Style 2 in Square, Includes Pre-Applied Thread Sealant No, Includes Seal No, 14, Magnetic No