ACCURATE MEASUREMENT: the digital tire depth gauge can examine a depth range of 0-25.4mm/1 inch with an accuracy of 0.01mm, you can clearly know the degree of tire wear tires. EASY TO READ: High-precision digital LCD display for superior accuracy and clear reading. You can easily switch reading patterns by simply pressing the "inch/mm" button. HIGH QUALITY: The tread depth checker is made of ABS plastic. It is lightweight and has advantages of corrosion resistance and wear resistance. The needle is made of stainless steel and it won't break down easily. PORTABLE: Only 55g in total, the digital tire thread depth gauge is light enough to carry and use. WIDE APPLICATIONGS: The tire depth gauge can be used to check thread depth, brake shoe and pad wear.Suitable for auto cars, motorcycles, trucks, vans, SUV tire repair. Features Large LCD screen Exchange metric / inch system Manual power on/off Suitable for tread depth, brake shoe and pad wear Specification: Range: 0-25, 4mm/0-1inch Resolution: 0.01mm/0.0005inch Working Temp: 0-40 Power: SR44 / LR44, 1.5V Bar tip material: ABS plastic Measurement system: metric / inch Product size: 114X60X15 .8mm / 4.48X2.36X 0.62inch (L*W*H) How to use: Turn on the tire depth gauge Place the base on a flat surface and press the bar down Press the zero button, the LCD will show 0.00mm Place the gauge on the tire, maintain stability, and press the tip of the bar into the tire profile Directly read the profile depth value For accurate measurement, test it several times Package Content: 1 x Digital Tread Depth Gauge Note: Remove the battery when not in use for long periods of time. Accidental display failure: turn off the power for 30 seconds . Due to lighting problems, there may be a little chromatic aberration.