✿ and ✿ High-precision measurement tool that can quickly and easily set mechanical spindle and workpiece datum exact center position ✿ Accuracy and reproducibility of competent drilling , milling , boring and grinding jigs , The positioning work ✿ Unplug finder ’ s pins , the spring can be replaced ✿ Edge finder ' s role is to determine the position of the workpiece on the machine , which determine the working coordinate, Manufacturer: Watreketal