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Robbtoberfest writes –

I picked up some 10′ pieces of 1.25″ galvanized chain-link fence pipe for $1 each at a garage sale once. I can’t believe how many uses these things have, from making a pole saw to making the shovel listed here. The walls of the pipe are sturdy but not too thick for easy working.

instructables : Pipe Tools, Garden Shovel – Link.