Hex Head Plug 1/8 in Nominal Pipe Size Brass Nickel-Plated Class Class 1000 Male NPTF 1/2 in Outside Diameter 9/16 in Overall Length 1 000 psi Maximum Operating Pressure 850 psi Max Steam Pressure Plug Drive Style 0.36 in Hex Includes Pre-Applied Thread Sealant No Includes Seal No Magnetic No