Round Annealed Binding Wire Dimension: 5.50mm Diameter. Quality: SAE 1008 LS16 Annealed, lightly oiled. Tensile Strength: 250-430 N/mm2. Elongation: 40 % @ measuring length of 5.0 x dia. External Diameter of Coil: 800-900 mm. Internal Diameter of Coil: 550 mm. Height of Coil: 600 mm. Delivery Form: Coil.