Carbon Steel Rod, Material Carbon Steel, Material Grade 1144, Overall Length 36 in, Heat Treatable Heat Treatable, Heat Treatment No Heat Treatment, Mechanical Finish Mill, Outside Diameter 7/8 in, Outside Diameter Tolerance 0 in/-0.002 in, Yield Strength 100,000 psi, Fabrication Cold Rolled, Rockwell Hardness 25 HRC, Brinell Hardness 253 BHN, Tensile Strength 115,000 psi, Machinability 83 Percent, Length Tolerance +/-3 in, Includes Material Certificate Material Certificate with Lot Number