Số lượng dầm | 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96, 102, 108, 114, 120, | 8, 14, 22, 30, 38, 44, 52, 60, 68, 74, 82, 90, 98, 104, 112, 120, 128, 134, 142, 150 |
Chiều cao bảo vệ | 125mm, 275mm, 425mm, 575mm, 725mm, 875mm, 1025mm, 1175mm, 1325mm, 1475mm, 1625mm, 1775mm, 1925mm, 2075mm, 2225mm, 2375mm, 2525mm, 2675mm, 2825mm, 2975mm | 140mm, 260mm, 420mm, 580mm, 740mm, 860mm, 1020mm, 1180mm, 1340mm, 1460mm, 1620mm, 1780mm, 1940mm, 2060mm, 2220mm, 2380mm, 2540mm, 2660mm, 2820mm, 2980mm |