The Vintage Starrett Mechanical Depth Micrometer Set is a high-quality precision tool for measuring depth in metalworking projects. This set includes 4 rods and comes in a fitted case for convenient storage and transport. Made in the United States by the reputable brand Starrett, this depth micrometer features a mechanical reading system for accurate measurements. With its durable construction and reliable performance, this unit is a valuable addition to any workshop or manufacturing facility.