Touch Point Sensor Precision Locate Working Electronic Optical Edge Finder with Wooden Case for CNC Lathe Machine Machinist Mill

Not necessary to rotate while measuring LED lights instantly and it beeps when probe touches conductive work piece There is a safety spring puller which puts The ball precisely back to the position when ball breaks away from ball seat These excellent tools quickly locate work edges and save time when finding positions on milling machines, jig borers etc etc They employ a highly sensitive location sensor and utilize a red pilot light which can be clearly seen and an audible beeper The location of the end surface, outside & inside circle diameters can be detected Specifications: Accuracy : 0.005MM Shank Diameter: about 20mm Item length: about 160mm Ball Diameter: about 10mm Battery: 2 x 1.5V(Size N) (Not include) Package Included: >1x Electronic edge finder