ITEM NAME:Car Tire Depth Gauge Tester Color Tyre Tread Metric Universal Measures Gage L5H4 Specifications: Product size: about 9X2.5cm Product Material: Stainless Steel, ABS Suitable for Vehicle Type: Universal Type Product characteristics: 1. Clear reading, especially clear alert value, take care of your safety. 2. Cylindrical measuring rod, more accurate test Usage method: 1. Push the probe up to the bottom 2. Place the black-sized flat seat on the tread surface. 3. Push the size down to the bottom and read whether the value is normal. RED REGION REPRESENT: Tyres need to be replaced. Huang District Representative: Warning about the upcoming replacement; Green Zone Representatives: 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 Packaging includes: 1*Car Tire Depth Gauge Tester.1 Car Tire Depth Gauge Tester. Place the black-sized flat seat on the tread surface. Suitable for Vehicle Type: Universal Type. Depth range: 1-25mm. Green Zone Representatives: Normal Use. Push the size down to the bottom and read whether the value is normal.