XIANQI Product Description: Quantity: 2pcs Color: mixcolor Appropriate Size: the length of this tyre tread depth gauge is approx. 9 x 2.5 cm / 3.54 x 0.98 inches, it is compact and easy to carry, it can be placed in the glove box, door cover and center console without taking up too much space and can be taken out at any time Color Representation: if the digital tyre pressure gauge displays the red area, it means you need to replace the tire, the yellow area warns you that you are about to replace the tire, and the green area indicates normal Depth Range: the depth range of this tire depth gauge tool is 0-25 mm, the value of the red area is 0-3 mm, the value of the yellow area is 3-6 mm, and the value of the green area is 6-25 mm, please note that the scale on the gauge is X/32 nds, if the measured value points to 12, it is 12/32 inches Clear Marks: the coded tire tread depth gauge can accurately measure the tread depth, calibrate from 1/32 inch to 32/32 inch, and tell you the condition of your tires in a simple and clear manner, protecting your driving safety to a certain extent Broad Utilization: tyre depth measurement tool can be applied on most kinds of suitable vehicles according to actual needs, such as trucks, motorcycles, automobiles and any passenger cars and so on, making the driving more safe