Feature: 1. Universal type, it can be used for all kinds of vehicle tires, so there is no need to worry about the problem of unsuitability. 2. With a clear digital identification to facilitate testing, use a cylindrical measuring ruler for more accurate testing. 3. Carry it with you and use it anywhere, equipped with a pocket clip for easy carrying of the tire tread depth gauge. 4. The measuring depth range is 0-25mm, which can be accurately measured and has high practicability. 5. Made of high qualiy material of stainless steel and ABS, which makes it durable and have high reliability. Specification: Item Type: Car Tire Tread Depth Gauge Material: Stainless Steel + ABS Universal: UniversalMeasure Range: Approx. 0-25mm/0-1in How to Use: 1.Push the probe up to the end.2.Place the black flat seat on the tire tread surface. 3. Push the size down again to see if the reading is normal.. Package List: 1 x Car Tire Tread Depth Gauge Note: The Red Zone Means: To replace the tire; The Yellow Area Means: A warning is about to be replaced; The Green Zone Means: Normal use