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When choosing a hacksaw, pay attention to the number of teeth. The number of teeth is chosen in accordance with the materials that need to be cut. To cut tool steel, a hacksaw canvas is necessary, one where 220 teeth are located 25 cm in length. Different length of the teeth is selected depending on the density of metal sheets. When choosing a hacksaw for metal, in addition to a hacksaw cloth, you should carefully look at the handle. It should be comfortable in the hand. The tool should not be too heavy — otherwise it will be inconvenient to work with it.