Carbon Steel Wire, Material Carbon Steel, Material Grade 1085, Feet Per Pound 937 ft/lb, Heat Treatment Tempered, Overall Length 36 in, Shape Round, Standards ASTM A228, Thickness 0.02 in, Thickness Tolerance +/-0.001 in, Tensile Strength 350,000 psi, Application Manufacturing Custom Size Springs, Package Type Tube, Package Weight 0.4 lb, System of Measurement Inch, Package Quantity 25