As an avid WOODWORKER, I recently purchased this taper drill as part of my collection of cutting tools. My analysis of this product showed that it was well-made and efficient .The taper drill worked flawlessly and provided precise cuts, making my project a success. Plus the price was incredibly reasonable, making it a great value for the quality. The only downside is that it may not be suitable for heavy industrial use. Overall, i highly recommend this product to anyone in the industrial and scientific sector looking for an affordable and efficient taper drill..