This torpedo level is made in the USA but only the top and bottom rails are aluminum. The main body is made of plastic. I bought this mainly for the magnetic strip to align golf club shafts. One side is magnetic (not the strongest but works) and the other side is non-magnetic but has a channel useful for round objects like pipes/tubes/shafts. Overall: 5/5 stars, cheap. , easy to use but not made entirely of aluminum and has a rather weak magnet.
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