Size: 196*178*400*4.5 (used in conjunction with Φ140 column)
Height: 400+3
Width: 178
Wall Thickness: The wall thickness of the black part should not be less than 4.65-4.75
Aperture: 22*30
Zinc Coating: Average 85μm, minimum 85μm at low points (low points not exceeding 2%)
Unit Weight: 8.65kg
