Accurate and efficient: Different colors on the bar indicate different measurement ranges. Red range: 0 - 3/32 inch; Yellow range: 3/32 - 6/32 inch; Green range: 6/32 - 32/32 inch. Allows for quick reading and calibration. Reusable: Tire tread gauge is made of durable metal material, reusable and long-lasting. An effective tool for monitoring tire tread depth and ensuring safe driving conditions. Measurements: Gauge measures approximately 3.35 x 1.06 inches. Compact size with a pocket clip for easy portability. Can be clipped to a pocket for quick and convenient access. Simple to use and easy to read: Features three color-coded zones for clear indication of tire tread condition. Provides a fast, accurate, and reliable tread depth measurement. Designed for efficiency and convenience. Color: Silver and Green. Material: Metal. Package Contents: 20 x Tire Tread Depth Gauge. Note: Light reflection and differences in display screens may cause slight variations in color representation. Measurement error allowance is +/- 1-3 mm.