Flat Stock, Material Brass, Material Grade 260, Mechanical Finish Mill, Overall Length 12 in, Overall Width 1/2 in, Yield Strength 57,000 psi, Thickness 0.025 in, Thickness Tolerance +/-0.003 in, Standards ASTM B36, Temper H02, Rockwell Hardness B79 / T70, Shape Rectangular Bar, System of Measurement Inch, Width Tolerance +/-0.005 in, Tensile Strength 9,000 psi.