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Originally Posted by Egon Can one juse use ordinary magnets or must they be of a special type? |
The magnets that I got are very, VERY strong permanent magnets. If they get together, its a real struggle to pull them apart without sliding them and they are formed in a "(" shape so when you put a set of two magnets on a pipe, they wrap almost all the way around it (looking at the end of the pipe, something like this (O).