1.促进准确测量的狭窄和凹的表面，和难以衡量内部和外部直径 2。使用一种特殊的测量装置来实现自动转向方向 3。测量杆连接端嵌入在精密球轴承 http: / / www.shcaliper.com/

1. Facilitate accurate measurement of narrow and concave surfaces, and difficult to measure inside and outside diameters 2. Using a special measuring device to achieve automatic steering direction 3. Measuring lever connecting end embedded in precision ball bearings http: //www.shcaliper.com/