Analog internal micrometer with a measuring range of 5 to 30 mm. Ideal for precise internal measurements. Equipped with round measuring surfaces, ratchet stop, and carbide measuring surfaces for durability and accuracy. The chrome-plated shaft and precise scale allow for a reading of 0.01 mm and an accuracy of 0.005 mm. Includes test gauge and case for secure storage. * Measuring range: 5 - 30 mm * Accuracy: 0.005 mm * Reading: 0.01 mm * With round measuring surfaces and ratchet stop * Carbide measuring surfaces and chrome-plated shaft