Ø Length Height Thick Seg/ No Steel Thickness
300 40 15 3.2 20 2.4
350 40 15 3.2 24 2.4
400 40 15 3.2 28 2.4
450 40 15 3.5 31 2.6
500 40 15 3.5 35 2.6
600 40 15 3.8 41 3.1