The MICROM O/S 3-4 .0001 ROC from Field Tool Supply is a precision measuring tool designed for high accuracy in various applications. This micrometer features a range of 3 to 4 inches with a resolution of .0001 inches, making it ideal for detailed measurements in machining and manufacturing. Constructed from high-quality materials, it ensures durability and reliability. The tool is compliant with industry standards, ensuring consistent performance. Its ergonomic design allows for easy handling, while the clear scale provides quick readings. Perfect for professionals seeking precision in their work.