Digital LCD Tyre Tread Ruler Depth Gauge Car Van Measure er Meter Tool The product is shipped based on the color or size of the main image of the product page. Description: - tire depth tread gauge can measure 0-25.4mm depth of tread depth, brake shoe and pad wear with a digital LCD display to show you the data - It is made of ABS plastic material, portable, durable, shockproof and drop-resistant - LCD display. Clear and durable - Metric / inch system exchange - s ing on and off. Digital automatic display In the following situations, it is recommended to replace tires: Tire wear limit value 1.6mm Frequent high-speed driving wear 3mm Driving under frequent rain and snow 4mm Instruction: Step 1: Press the power button to turn on, check whether the display is normal Step 2 : The measuring surface is close to the flat surface, push the measuring rod to the end, and press the ZERO button to display 0.00. Step 3 : The measurement surface is close to the tire surface vertically, and the measurement value can be displayed by inserting the measurement rod into the bottom of the pattern groove : ur: Blue Material: ABS Resolution: 0.01mm Measuring Range: 0-25.4mm Weight: about 40g : 0.01mm ation Range: 0.1mm supply: 1 x 1.5 V Button (included) Package includeds: 1x Depth Gauge