I found this tool a good addition to the tool box. You can check the chain alignment in seconds. I was concerned about the screw in the picture which appeared as plastic but when it came I was happy to see it was metal.
Motion Pro is dedicated to producing the most versatile, unique and durable products for professional and home use. Motion Pro tools are designed to be simple to use, yet durable enough to withstand the harshest conditions. One of their goals is to offer tools of convenience. Do it right the first time with Motion Pro Tools.