The distance between the farthest holes in the wall frame is 30 inches, 2 inches less than the distance between the American 2x16 inch racks. I had to drill four holes in the metal frame of the wall to make up the discrepancy. The US distributor had to tell the Chinese manufacturer the correct size. It's not about labor or material costs. This testifies to the unscrupulousness of the merchants. A simple field test would show the error.
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