Dimensions: 196*178*400*4.5 (to be used with Φ140 column)
Height: 400+3
Width: 178
Wall Thickness: The wall thickness of the black piece should not be less than 4.65-4.75
Aperture: 22*30
Zinc Coating: Average 85μm, not less than 85μm at the lowest point (low point ratio not exceeding 2%)
Single Piece Weight: 8.65kg
