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Hot sell 3 inch spring mode mechanical chuck NEA001-3
Hot sell 3 inch spring mode mechanical chuck NEA001-3 is a small model of chuck, its max loading weight is 1.5tons. As usually, it is two pieces of mechanical chuck used at two sides of paper core for holding and supporting.

This spring type mechanical chuck is operation by hand, after pushing, then this chuck's keys will expanded out, so as to grip paper core for rotating.
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