Features • Clear Laser Scales For Precision Reading: The ruler features laser scales on the body, ensuring easy-to-read measurements ranging from 5-30mm for accurate results • Stainl Steel Construction: Crafted from high-quality stainl steel, this micrometer offers fine grinding for exceptional durability and a long service life • Built-In Force Limiting Device: Equipped with a built-in force limiting device, this tool guarantees accurate and repeatable readings, enhancing reliability for measurements • Reliable Locking Mechanism: The micrometer includes a robust locking device, ensuring a secure mechanical structure for consistent performance in various applications • Ele Composite Wood Case: Housed in a stylish composite wood box, this measuring tool combines aesthetic appeal with stable quality, making it easy to maintain and transport Features: 1、There are laser scale on the ruler body, the reading is clear, the product range is 5-30mm 2、Micrometer is made of good-quality stainl steel, fine grinding bring long service life 3、Built-in force limiting device, provide accurate and repeated readings, very useful and helpful 4、Locking device, come with accurate mechanical structure, excellent performance, very practical 5、The box material is composite wood, bright as new, poss stable quality, and easy to take care Specification: Item Type: Internal Diameter Micrometer Set Product Material: Stainl steel 304 Box Material: Composite wood Product Range: Approx. 5 ~ 30mm / 0.2 ~ 1.2in Resolution: 0.01mm Accuracy: 0.005mm Package List: 1 x Internal Diameter Micrometer 1 x Adjusting Wrench 1 x Wooden Box Package List 1 x Internal Diameter Micrometer 1 x Adjusting Wrench 1 x Wooden Box