Feature:1. Main Purpose: This outside micrometer is mainly used to accurately measure length, diameter or thickness.2. High Accuracy: With wide measuring range, which is a more accurate measuring tool than vernier caliper.3. Stainless Steel: Made of excellent stainless steel material, hard and wear resistant, not easy to rust.4. Clear Scales: The roller measuring exterior has clear scales, with small errors, and more accurate measurement data.5. Portable Design: The outer micrometer is light and small, simple and fast to operate, and is widely used in machinery factories.Specification:Item Type: Outside MicrometerMaterial: Stainless SteelAccuracy: 0.01mmUses: Outside micrometer, thickness measuring ruler.Package List:1 x Outside Micrometer1 x Wrench1 x Calibration Block 1 x Plastic BoxNote:Please match the appropriate size before use.