Features: Accurately measure tire treads depth from 0 20mm with this strong plastic gauges, featuring a precisions scale for reliable 1mm accuracy check essential for maintaining best tire performances. small (62x42mm) and lightweight with a keychains circle , this treads checker offers double verification through numbered scale and engraves markers for error resistant measurements. designs for automotive enthusiasts, professional repair man, and safety awake drives requiring regular tire wear assessments on car, motorcycles, or trucks. Perfect for routine vehicle maintenance check , pre trip safety evaluations, or professional diagnostics in auto repair workshops. Engineered with impact resistant plastic construction, this double pack gauges set withstands workshop conditions while providing clear visual confirmation of treads wear pattern. Specifications: Material: Plastic Size: 65x42mm/2.56x1.65inch Ranges: 0 to 20mm Package Includes: 4pcs Tire treads Depth gauges note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.