Features: o The new assembled, quick and easy installation o o zinc steel material after degreasing, table transfer, phosphate, electrostatic spray dozens of procedures carefully processed o has excellent corrosion resistance, moisture resistance, weather sex and theft resistance, lasting color and bright, models, various colors and rich, beautiful and elegant style o widely used in highway isolation, to ensure the safety of pedestrians and vehicles for the city's construction provides a simple and convenient facilities material . 30 * 60 under the cross bar cross bar on the column height (mm) 600-1200 spacing (mm) 2500 cross bar (mm) 30 * 60 vertical bar (mm) 16 * 16 15 * 25 column (mm) 19 * 19 60 * 6075 * 7580 * 80 100 * 100 column fixation bolt, security base