Features EASY TO CARRY AND PLACE --- Inside diameter micrometer come with small size, easy to carry and place, very convenient RESIST OXIDATION AND CORROSION --- Made of alloy steel material, which can resist oxidation and corrosion to increase service life BETTER OPERATION --- Cylindrical design for better operation, reducing work difficulty and increasing work efficiency LAMINATED WOOD BOX --- Come with a laminated wood box, which can protect inside diameter micrometer well, easy to store and carry 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 Wrench1 x Standard Wheel1 x Wooden Box Package List 1 x Inside Micrometer 1 x Wrench 1 x Standard Wheel 1 x Wooden Box