1、Range and Resolution: The measurement range of the rotor digital caliper is 0‑6in/0‑150mm. Its accuracy is ±0.002in/0.05mm. The resolution is 0.0005in/0.01mm, 1/128in. 2、Reading Units Convertion: Disc brake rotor micrometer can be converted among inch, millimeter and fraction units, switch freely according to your needs. 3、Manual On Off: You can manual power off and on disc brake rotor caliper , effortless gliding action, hardened measurement surface, durable in use. 4、Wide Application: Brake disc thickness measuring tool is designed for professional auto mechanics and heavy duty applications, widely used in home, industrial and automotive applications. 5、Recommendation: Please note that for more accurate measurements, use a small piece of paper or card to clean the outer jaws before each use. <p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> Item Type:&nbsp;Disc Brake Rotor Micrometer Material: Metal Unit: Metric Imperial Reading Measurement Range: Approx. 0-6in/0-150mm; Reading in inch, mm, fraction Resolution: Approx. 0.0005in/0.01mm, 1/128in; Accuracy: ±0.002in/0.05mm Display: 1/2in x 1 1/2in (13mm x 38mm) LCD High Quality: Every Digital Meter is Thoroughly Tested Before It's Ready for Sale Battery Type: Button Battery,&nbsp;Built in a Battery (Comes with an Additional Companion Battery) Battery Type: LR44 1.5V Battery Capacity: 160mAh Applicable: Universal <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Disc Brake Rotor Micrometer 1 x Screwdriver 1 x Button Battery 1 x Blow Molding Box