Compass, also known as compass, is a feng shui detection tool and a commonly used operation tool for managing style.
10 inch compass has more accurate positioning information than 8 inch compass. The compass is mainly composed of a magnetic needle located in the center of the disc and a series of concentric circles, each of which represents the ancient people in China's understanding of a certain level of information in the big universe system.
Generally speaking, the precise positioning information of 10 inch compass is more than that of 8 inch compass, which needs to be determined according to the specific compass specifications.