✿ 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: KACCDE