This Thorotest Field Strength Indicator is a top-quality device made in Japan. It is designed to accurately measure the field strength of your equipment and tools. With its compact and durable design, this indicator is perfect for use in various metalworking applications. It is also easy to read and interpret, making it an essential tool for any metalworking professional. Whether you are in the business or industrial sector, this Thorotest Field Strength Indicator is a must-have for your collection of metalworking inspection and measurement tools.