Features Compact and Portable Design: The inside diameter micrometer features a small size, making it easy to carry and store, for on-the-go measurements in any workspace Alloy Steel Construction: Crafted from high-quality alloy steel, this tool resists oxidation, ensuring longevity and reliability for all your industrial measurement needs Enhanced Efficiency with Cylindrical Design: The unique cylindrical design improves accuracy, reducing work difficulty and enhancing productivity during measurement tasks Protective Laminated Wood Box: Each micrometer comes in a laminated wood box, providing excellent protection while ensuring easy storage and transport for your measuring tool User-Friendly Installation and : Equipped with a wrench and standard wheel, this tool allows for straightforward installation and effortl use, offering great convenience for users Features: 1、EASY TO CARRY AND PLACE: Inside diameter micrometer come with small size, easy to carry and place, very convenient 2、RESIST OXIDATION AND : Made of alloy steel material, which can resist oxidation and to increase service life 3、BETTER : Cylindrical design for better , reducing work difficulty and increasing work efficiency 4、LAMINATED WOOD BOX：Come with a laminated wood box, which can protect inside diameter micrometer well, easy to store and carry 5、EASY TO INSTALL AND USE: Equipped with wrench and standard wheel, easy for you to install and use, provide great convenience Specification: Item Type: Inside Diameter Micrometer Material: Alloy steel Wooden Box Material: Laminated wood Range: Approx. 5 ~ 30mm / 0.2 ~ 1.18in Package List: 1 x Inside Micrometer 1 x Wrench 1 x Standard Wheel 1 x Wooden Box Package List 1 x Inside Micrometer 1 x Wrench 1 x Standard Wheel 1 x Wooden Box