ITEM NAME:Professional Car Truck Tyre Tread Depth Measure Gauge Tester Measuring Tools Descriptio n Description: Features: Professional tire tread depth gauge. Practical and simple to use. Mini size, light weight, easy to carry. Accurate test, clear readings, take care of your safety. Cylindrical measuring bar ensures precise measurement. Usage: 1. Push the probe up to the bottom 2. Place the size black flat seat on the tread 3, then push the size down to the bottom, read the value is normal. Specifications: Material: Stainless Steel, ABS Color: Picture Color Size: About 9x2.5cm Suitable Model: General Type Red Zone Representative: To Change The Tire; Yellow Zone Representative: Warning To Be Replaced; Green Zone: Normal Use Depth Range: 1-25mm Red Area: 0-3mm & 0-3/32 Yellow Area: 3-5mm & 4-32"-5/32" Green Area: 5-25mm & 6/32"-1" Package Included: 3 *Â Tire Tread Depth Gauges (2 * Double Colors, 1 * Single Color) Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! Professional Car Truck Tyre Tread Depth Measure Gauge Tester Measuring Tools.Professional tire tread depth gauge. Place the size black flat seat on the tread. 3 Tire Tread Depth Gauges (2 Double Colors, 1 Single Color). Red Zone Representative: To Change The Tire; Yellow Zone Representative: Warning To Be Replaced; Green Zone: Normal Use.