'Rod Stock, General Purpose, Copper, Alloy Type 110, Diameter 3/8 In, Length 3 Ft, Mill Finish, Temper Hard, Diameter Tolerance +/-0.005 In, Length Tolerance +/-1.000 In, Typical Tensile Strength (PSI) 48,000, Typical Yield Strength (PSI) 44,000, Typical Hardness B66, Hardness Scale Rb'