180° rotating rear handle. The rear handle can be rotated 180°. By pressing the rotary switch on the rear handle, the left and right handles can be rotated 90° to facilitate operation at different angles.
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Supportive activity wheel. Unique design of the movable lower roller to significantly reduce work intensity.
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Adjustable puncture depth Adjust the base plate up and down to adjust the groove depth. Adjustable cutting depth 15 mm cutting depth range 21-36 mm.
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Efficient gear design The gear design is reasonable and not interlocked. It differs from the transmission structure of the general shock machine on the market.
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