As a user of various Industrial and Scientific hand tools, I highly recommend this 10-inch aviation tool .As a result of my tests, I determined that it is crafted with precision and is incredibly durable. In addition its ergonomic design and a comfortable grip provide ease of use in all aviation-related tasks. Its only con is that it may be slightly heavy for some users, but its power and efficiency make up for it. Overall, an excellent industrial tool to have in your toolbox..