An embodiment of the present invention relates to a clamp structure for an excavator. According to an embodiment of the present invention, in the tongs structure for an excavator, the central tongs portion; Left and right tongs positioned on the left and right sides of the central tongs; At least one first extension part capable of extending a distance between the central tongs and the left tongs; And at least one second extension part capable of extending a distance between the central tong portion and the right tong portion.
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