Hex Drive Plug 3/8 in Nominal Pipe Size Brass Nickel-Plated Class Class 1000 Male NPTF 5/8 in Outside Diameter 7/16 in Overall Length 1 000 psi Maximum Operating Pressure 850 psi Max Steam Pressure Plug Drive Style 0.46 in Hex Includes Pre-Applied Thread Sealant No Includes Seal No Magnetic No