Feet Per Pound 122 ft/lb, Heat Treatment Tempered, Includes Material Certificate No Certificates Included, Overall Length 36 in,Thickness 0.055 in, Thickness Tolerance +/-0.001 in, Tensile Strength 300,000 psi, Application Manufacturing Custom Size Springs, Package Type Tube, Package Weight 0.75 lb, System of Measurement Inch, Package Quantity 15 MATERIAL: Carbon Steel