Square Head Plug 1/8 in Nominal Pipe Size Brass CA2745 Male NPT 3/8 in Outside Diameter 9/16 in Overall Length 1 000 psi Maximum Operating Pressure -40 Degrees to 250 Degrees F Plug Construction Cored Plug Drive Style Square Includes Pre-Applied Thread Sealant No Includes Seal No 1/8 in -27 Magnetic No