What is the item description for 73053910 of HScode Botswana?
The description of the item 73053910 of Botswana HScode: Tubes and pipes having circular cross-sections and an external diameter of > 406,4 mm, of iron or steel, welded (excl. products longitudinally welded or of a kind used for oil or gas pipelines or of a kind used in drilling for oil or gas) : High-pressure hydro-electric conduits, of steel, with an internal cross-sectional dimension exceeding 400 mm and a wall thicknessexceeding 10,5 mm