' Music Wire, Spring Steel, Min. Tensile Strength (PSI) 293, 000 - 324, 000, Total Length 45 ft., Package Type Tube, Thickness .062 In., Feet per Lb. 96.2, Thickness Tolerance +/-0.001 In., Application Making Custom Size Springs, Pack Count 15, Meets/Exceeds ASTM A228, Package Weight 0.8, Package Quantity 15 '