The shaft made of tungsten steel has higher hardness, more wear resistance, corrosion resistance and reliable quality.It does not break after years of use.
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The air vent at the tail of the machine can quickly reduce the temperature of the motor and ensure the machine to run for a long time. Side design to avoid disturbing you at work.
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Build-in bright LED light which turns on automatically after you press the switch enhances visibility in the dark working areas, make work easier.
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