1.1 This specification covers the requirements for rod drawing stock in diameters from ¼ to 13/8 in. (6.4 to 35 mm) produced from electrolytic tough-pitch or oxygen-f This specification covers the requirements for rod drawing stock produced from electrolytic tough-pitch or oxygen-free coppers and is suitable for further fabrication into electrical conductors. The rod shall be fabricated from copper of such quality a