Description
These were made to fit on breast drills, and used for drilling metal, particularly round sections like pipe. The chain is run around the object being drilled, and gradually tightens as the hole is drilled, maintaining pressure while being a bit easier on the operator than “just putting your shoulder into it”. Also good for barn beams, I’m told.
This one’s in good shape — finishes have only normal wear, and the chuck operates smoothly and well.
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