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the double jaw hacksaw

the double jaw hacksaw

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this is a new hacksaw to cut fast and easily from both sides it has a jaw of two blades these jaws are closed tightly by two springs, it is more effective than an ordinary hacksaw as well as it is cheap and does not cost much to be can be built with little metal to cut only up to 30 mm .
youtube video of cutting 12 mm rod in a minute, the prototype is wooden and made by me .