' Music Wire, Spring Steel, Min. Tensile Strength (PSI) 274, 000 - 303, 000, Total Length 30 ft., Package Type Tube, Thickness .094 In., Feet per Lb. 43, Thickness Tolerance +/-0.001 In., Application Making Custom Size Springs, Pack Count 10, Meets/Exceeds ASTM A228, Package Weight 0.9, Package Quantity 10 '