High-Precision Micrometer Set: This micrometer offers ±0.0001 in and ±0.0002 in accuracy, with four micrometers Caping 0-4 in and three calibration rods for verification. Ideal for measuring engine parts or precision components with consistent results Easy-to-Read & Intuitive Operation: This micrometer set features clear sleeve markings and a zero-adjust wrench, making dynamic adjustments simple. The smooth spindle ensures easy sliding for quick part positioning, maintaining measurement accuracy Precise Performance: Built with a carbide-tipped measuring face, this digital micrometer ensures long-lasting accuracy and wear-resistance. The lock nut avoids slippage, while the ratchet thimble offers smooth control and stable precision over time Versatile for Multiple Tasks: This micrometer measuring tool features a solid metal frame for wear resistance and lasting stability. Ideal for measuring outer diameters of pipes, metal sheets, and other parts in machining or precision work