The Starrett 25-141 Jeweled Dial Indicator is a high-quality precision tool designed for measuring the accuracy of machine tools or workpieces. With a 0-50-0 grad reading and a 2-1/4" range, this indicator provides precise and reliable measurements for a variety of applications. The jeweled dial adds a touch of elegance to this durable and accurate tool, making it a valuable asset for any workshop or manufacturing facility.