The inside micrometer is a versatile measurement tool used in various industries, including automotive, aerospace, and construction. It is specifically designed to measure the internal dimensions of components with exceptional accuracy. To use it, position the micrometer inside the component, adjust the thimble until the make connect with the internal surface, and then take the reading. This tool is essential for achieving precise internal measurements, which are critical for maintaining the integrity and performance of mechanical systems. Features -Color:Silver -Material:Carbon Steel -Size:18.00X6.00X3.00cm/7.07X2.36X1.18in -Highaccuracy performance: the inside micrometer delivers highaccuracy performance, ensuring precise measurements for critical tasks. -Lightweight and portable: the inside micrometer's lightweight and portable design allows for easy transportation and use in various locations. -Wide range of applications: the inside micrometer is versatile, capable of measuring different sizes and shapes, suitable for various industries. - durability: made with durable materials, the inside micrometer is durable and reliable, designed for longterm use. -Simple and intuitive: the inside micrometer is designed for simplicity and ease of use, making it accessible to users without training Package list: 4 pcs x 1pcs Internal measuring micrometer