As an industrial and scientific researcher, I was impressed with the performance of this metric drill bit set. The drill bits are durable and performed flawlessly during my tests, easily cutting through various materials. The assortment of sizes is also a plus, making it easy to find the right size for any job. The only downside I found was the cost, which is a little higher than some other industrial drill bit options. However, the quality of the product makes it worth the investment. Overall,