Missing clear lens , works great. previous owners engraving The Starrett No.643 Jeweled Dial Depth Gauge is a high-quality precision tool made in the United States by the reputable brand Starrett. This depth gauge features a .0005" to .125" range, making it ideal for accurate measurements in metalworking inspections and measurements. Its jeweled dial adds a luxurious touch to this reliable and durable tool, making it a valuable asset for professionals in the CNC, metalworking, and manufacturing industries.