The inside micrometer is an essential tool for precision measurement in various fields such as machining, woodworking, and metalworking. It is designed to measure the internal dimensions of objects with high accuracy. To use the inside micrometer, insert it into the object to be measured, expand the micrometer until it the internal walls, and read the measurement from the scale. This tool ensures precise measurements, making it indispensable for professionals who require exact internal dimensions. Features -Color:Silver -Material:Carbon Steel -Size:18.00X6.00X3.00cm/7.07X2.36X1.18in -High precision measurement: the inside micrometer offers high precision measurement capabilities, ensuring accurate results for your measurement needs. -Portable design: the inside micrometer is compact and lightweight, making it easy to carry and use anywhere, anytime. -Versatile applications: the inside micrometer can measure various sizes and shapes of objects, making it suitable for multiple industries and scenarios. -Durable and reliable: made from durable materials, the inside micrometer is durable and reliable, ensuring longterm use without damage. -Easy to operate: the inside micrometer is simple to use, allowing even those without professional knowledge to operate it effortlessly Package list: 4 pcs x 1pcs Internal measuring micrometer