Features 1、Very precise: this gauge is accurate enough to create readings within 0.1mm and resolution is within 0.01mm. 2、Large digital LCD screen, make reading clear, easy and reliable. 3、Using light-weight carbon fiber material, very durable. 4、Suitable for tread depth, brake shoe and pad wear, also can be used to measure jewelry. 5、An essential equipment for safe driving. Specification Features: Very precise: this gauge is accurate enough to create readings within 0.1mm and resolution is within 0.01mm. Large digital LCD screen, make reading clear, easy and reliable. Using light-weight carbon fiber material, very durable. Suitable for tread depth, brake shoe and pad wear, also can be used to measure jewelry. Switchable metric and inch system, convenient to use. An essential equipment for safe driving. Specification: Material: Carbon Fiber Weight: Approx.52g/ 1.8oz Size: Approx.11.5 * 6.5 * 2cm/ 4.5 * 2.6 * 0.8in Color: Shown as picture Battery: 1 * 3V CR2032 Button Battery (Not Included) Package List: 1 * Tread Depth Gauge Note: Please allow slight error due to manual measurement. Thanks for your understanding. Package List