According to my experience in the Industrial and Scientific field the Anodized Aluminum Tolerance Straightness Machinery is an outstanding tool for precise dimensional measurement .The accuracy of the measurements is exceptional, and the straightness is top-notch. The machinery is incredibly durable and can withstand harsh conditions. It's easy TO use and saves time. However, the price is a bit high, which may be a concern for those on a tight budget. Overall, this machinery is a must-have for any industrial operation that requires precise measurements..