3/4 inch Malleable Iron Pipe Fitting Cored Plug - Galvanized Height of Square (min) : 0.44 NPTLength of Threads (min) : 0.63 NPTNominal Width of Access Flats : 1.6875 NPTNPS : 3/4 NPTLength : 11.75Width : 11.75Height : 10Cubic Inches : 1381Cubic Feet : 0.8