Specifications: 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 ABS plastic 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. Item Name: Tread Depth Gauge Material: ABS Range: 0-25.4mm Accuracy: 0.01m Battery: 1 x LR44 Button Battery(Included) Features: Mini, Portable, Digital, High Precision, Measuring Tool Max. Outer Length: 113mm/4.45" (Approx.) Max. Outer Width: 60mm/2.36" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Tread Depth Gauge