Features: Light weight design for easy portability and storage, making it great for professional mechanic. Fine matte surfaces treatments ensures a comfortable grip and smooth operate during use, providing precise and accurate measurements everytimes. Make of high strength aluminum alloys, which enduring and long terms. Easy to use designs ensures that even beginner can quickly and easily center their tires with precisions and accuracy. Anodized surfaces treatments provide added protections against corrosion and wear, ensuring that the tool maintains its appearance and performances over time. Specifications: Component: Aluminum alloys Color: Blue/Silvery Size: about 17.2x33cm/6.77x12.99inch Package Includes: 1Pc Portable Bike corrections Gauge note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.