Precise Measurement: The disc micrometer has a measuring range of 0-6inch/0-150mm. You can accurately measure the thickness of the brake disc to ensure that your brake system is in top condition. Multifunctional Use: not only suitable for brake disc measurement, but also for general length and depth measurement. This versatility makes it an perfect tool for any workshop or garage. Durable Materials: Made of stainless steel, with excellent durability and corrosion resistance, to ensure long-term use without damage or corrosion problems. Portable Design: The compact and lightweight design makes it easy to carry and store, allowing you to perform measurement work anytime, anywhere, whether in the workshop, garage or field Imperial and Metric conversion: With imperial and metric unit conversion, you can easily measure in different systems and ensure compatibility with a wide range of vehicles. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Red Material:Stainless Steel+Zinc Alloy Package Contents: 1x car caliper 1x Screwdriver 1x English and Chinese manual Only 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 +/- 1-3cm.