Magnetic Hex Recessed Head Plug 1/8 in Nominal Pipe Size Steel Zinc-Plated 12L14/12L15 Class 150 Male NPT 7/16 in Outside Diameter 5/8 in Overall Length 150 psi Maximum Operating Pressure -40 Degrees to 250 Degrees F Plug Construction Solid Plug Drive Style Hex Includes Pre-Applied Thread Sealant No Includes Seal No 1/8 in -27 Magnetic Yes