The JIUWU Combination Composite Drilling Tapping outshines other industrial drill bits Ive used .My analysis of this product showed that it's incredibly durable and built to last longer. It is perfect for professional use and CAN handle tough industrial jobs. The combination feature saves time without compromising the quality of drilling. The only con i found is that the price might be a bit high compared to similar products but the quality is worth the investment. Overall, I highly recommend this product to anyone in the industrial and scientific field looking for a reliable and robust drill bit..