100 Packs tyre tread depth gauge color coded tire depth gauge tool tire tread depth accurate measurement tools, green6 Sides range marks: Tyre thread depth gauge provides 6 sides clear and accurate scale marks, which provides accurate depth readings and allows for a quick and easy readingpact and portable: Small size can put in your pocket, with metal clip for clipping on your pocket, and needn't to carry it by hands. You can also store it in a box when not use, won't take much space.Utility and convenient measuring tool: Tire tread depth gauge is a utility tool to regularly monitor tire tread levels of your cars to ensure safe driving, suit for trucks, motorcycles, automobiles and others.Specification: Material: metal, plastic Total length: approx. 3.35 inch/ 8.5 cm Barrel diameter: approx. 0.4 inch/ 1 cm Plastic end: approx. 1.1 x 0.4 inch/ 2.7 x 1 cm (L x W)Package includes: 100 x Tyre tread depth gauge