110 Copper Rod, Material Copper, Material Grade 110, Outside Diameter 1 1/4 in, Outside Diameter Tolerance +/-0.005 in, Overall Length 12 in, Length Tolerance +/-0.250 in, Mechanical Finish Mill, Yield Strength 44,000 psi, Temper O, Tensile Strength 48,000 psi, Standards ASTM B133, QQ-B-575, QQ-C-502C, SAE J461, SAE J463, Heat Treatable Yes, Heat Treatment Annealed, Rockwell Hardness B66, Shape Rod, Application Automotive, Electrical, Plumbing, Welding, System of Measurement Inch