Hex Head Plug 1/4 in Nominal Pipe Size Brass CA2745 Male NPT 9/16 in Outside Diameter 13/16 in Overall Length 1 200 psi Maximum Operating Pressure -40 Degrees to 250 Degrees F Plug Construction Cored Plug Drive Style Hex Includes Pre-Applied Thread Sealant No Includes Seal No 1/4 in -18 Magnetic No