Carbon Steel Wire, Material Carbon Steel, Material Grade 1085, Coil Weight 1 lb, Feet Per Pound 446 ft/lb, Heat Treatment Tempered,Overall Length 446 ft, Shape Round, Thickness 0.029 in, Thickness Tolerance +/-0.0004 in, Tensile Strength 331,000 psi, Application Armature Binding, Ceramic Cutting, Control Linkages, Manufacturing Springs, Wire Forms, Package Type Dispenser Box, Package Weight 1.1 lb