The Mitutoyo internal micrometer 137-208 is a precise measuring instrument specifically designed for capturing internal dimensions. With a measuring range of 50 to 500 mm and a resolution of 0.01 mm, it offers high accuracy of ± (3 + n + L/50) μm, where n is the number of extensions used and L is the maximum measuring length in mm. The measuring surfaces are equipped with carbide, ensuring durable and reliable use. The matte chrome-plated scale sleeve and scale drum provide clear readability. The internal micrometer can be individually adjusted using extensions to meet various measuring requirements. It comes in a practical case that includes the extensions, allowing for safe storage.

• Precise measuring range of 50 to 500 mm
• Carbide measuring surfaces for durability
• Customizable with extensions
• High accuracy of ± (3 + n + L/50) μm.