Accurate and efficient: different colors on the bar different ranges, red range on the bar: 0 3/32; yellow range on the bar: 3/32 6/32; green range on the bar: 6/32 32/32, Allows you to read and calibrate quickly andReusable: The tire tread gauge is made of strong material, reusable and longlasting, it is an effective tool to monitor tire tread level and make drivingMeasurements: Tire gauge measures . 3.35 x 1.06 inches, small size, also features a pocket clip for easy portability, you can clip it to your pocket, great for quick and easy accessSIMPLE TO USE AND EASY TO READ: There are 3 different color coded areas on the strip for added simplicity and convenience, they show you a clear result of the condition of your tire, very easy to read, give you a quick and accurate tread measurement depth , intelligent and efficientColour:Silver & GreenMaterial:MetalPackage Contents:20 * Tyre Tread Depth GaugeOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.