Features: Easy to read:The tire measuring tool has clear scale and LED display, easy to switch between inch and mm according to your need, you can measure the tire tread depth and read the result quickly even in low light occasions, bringing you convenient and pleasant using experience in daily life. Lightweight and compact:The tire tread gauge has light weight and compact size, ideal as birthday or holiday present for these who are drivers or repair men, they can put on their car, truck, or carry around in tool box, without taking much space or adding much extra weight. Specifications: Main material: plastic. Size: about 4.4 x 2.4 inches. Quantity: 1 piece. Package contents:1 x Blue tire measure gauge. Warm notice: Manual measurement, please allow slight errors on size. The color may exist slight difference due to different screen displays. Please keep away from little kids to avoid poking risk.