Flat Stock, Material Brass, Material Grade 360, Mechanical Finish Mill, Overall Length 12 in, Overall Width 4 in, Yield Strength 45,000 psi, Thickness 0.25 in, Thickness Tolerance +/-0.005 in, Standards -, Temper H02, Rockwell Hardness B78, Shape Rectangular Bar, Length Tolerance +/-0.250 in, System of Measurement Inch, Width Tolerance +/-0.012 in, Tensile Strength 58,000 psi