This set of (6) DoAll rectangular gage blocks, with a size of .02, is a valuable addition to any metalworking inspection and measurement toolkit. The blocks are brand new and have never been used, ensuring their accuracy and reliability for precise measurements. Made from high-quality materials, these gage blocks are durable and long-lasting. The instrument type is specifically designed for measuring and verifying the accuracy of machinery in the metalworking industry. With this set of gage blocks, you can be sure to achieve accurate measurements every time.