I recently purchased a precision collet from the Workholding category in Industrial Power and Hand Tools section. As my tests showed, this product is precisely manufactured and holds the workpiece firmly, minimizing any chance of slipping. I appreciate how this industrial and scientific tool can withstand vigorous use, and still operate without fail. The only negative observation is that it is a bit expensive compared to similar products. Nonetheless, I am satisfied with my purchase and would recommend it to anyone who is serious about their work.