[Material] High quality ABS material, , wear-resistant and anti-drop, and easy to use. [Application range] Application range: 0 ~ 20mm. Standard minimum depth: 1.6 mm. Recommended limits: summer tires 3 mm (0.12 inches), winter tires 4 mm (0.16 inches). [Size] Length: . 65mm / 2.55 inch, Width: . 42mm / 1.65 inch. Pocket size, easy to store. [Design] The scaling font is clear, digital display + scale reading, easy to measure tire depth, easy to use, ergonomic design. [Developed for tires] The tread depth gauge measures the degree of wear on the tire surface. You can monitor your car's profile regularly to make driving . Colour: as shown Material: ABS Package contents: 4 x Tyre Tread Depthometer Only the above package content, other products are not included. Note: Light 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 +/- 1-3cm.