black bar GOOD QUALITY and COMPETITIVE PRICE PROMPT DELIVERY STABLE and LONG-TERM SUPPLY black bar including:BLACK ROUND BAR, BLACK HEXAGON BAR, BLACK SQUARE BAR, etc. Grade: 200 series& 300 series& 400 seriesStandard: GB/T 1220, JIS G4303, ASTM A276, AISIDiameter: 1.0-250mmLength: ≤6 mSurface: brightPacking: wrapping with plastic cloth or following client’s requirement