Feature:1. Made of high quality stainless steel and plastic material, durable and long service life2. Fine workmanship, suitable for measurements that require high accuracy3. Precise and accurate, the measuring range is 50-160mm4. There is a box which you can store and convenient to carry5. Widely used for measuring inner hole size of various machiningSpecification:Item Type: Dial Bore GaugeMaterial: Stainless steel + plasticSpecifications: 50-160mmReading Value: 0.01mmResolution: 0.01mmDial Diameter: 57mmBattery: 1 x 3V CR2032 battery (not included)Measuring Range: 50-160mmFunction: Widely used for measuring inner hole size of various machining.Package List:1 x Measuring Rod1 x Dial Indicator1 x Extended Rod11 x Measuring Head4 x Nut RingNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.