Black Annealed wire 1. Black anealed wire & Oxygen- free annealed wire2. Material: low carton steel wire rod ( mainly Q195) 3. Tensile strength: 300N/ mm ? - - - 400N/ mm ? or other4. Diameter: ?0. 15 mm 5. Packing: pack in coil and spool samll coil: 0. 2kg - - - 100kg big coil: 200kg - - - 1000kg spool: 2kg, 5kg, 7kg, 15kg, 90kg, 10lbs, 250lbs, 1000lbs and so on or according to your requirements