This vintage Starrett jeweled dial depth gauge is a must-have for any serious machinist. With a range of. 0005″. 125″, it is accurate and reliable. 2.5 knife edge base. The brand name is synonymous with quality, and the indicator type is perfect for precision measurements. This depth gauge comes in its original box, making it a great addition to any collection. Whether you’re inspecting CNC or metalworking, this indicator is perfect for the job. Don’t miss out on the opportunity to own a piece of history with the Starrett jeweled dial depth gauge.