HFS,R3V Edge Finder Electronic Optical with LED and Beep for CNC Lathe with Box

[Size]: Engineered for precision with a 20mm shank diameter, 10mm probe diameter, and an 0. 005mm accuracy over a 160mm length. , [LED Light and Beep Alert]: Instantly lights up and beeps when the probe touches a conductive workpiece for easy and accurate detection. (Note: Requires 2pc LR1/1. 5v/N batteries, not included). , [Durable]: Constructed with a hardened and precision-ground probe for lasting durability and consistent measurement accuracy without the need for rotation. , [Sensitive Sensor]: Incorporates a highly sensitive location sensor for unmistakable detection of end surfaces, as well as outside and inside circle diameters. , [Efficient]: Streamlines your workflow by quickly locating work edges, ideal for milling machines, jig borers, and other precision tools.