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, etc. the precision 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 system.Applies to traditional milling machines and machining centers.With the speed 400-600rpm use.Specially designed probe 4mm, provide for a small aperture is narrow trench and measured using.The lower end of the rotation part is magnetically shielded.The mechanical rotation measurements, no clamping errors, repeat the measurement accuracy up to within 0.005mm.High strength and hardness.Durable in use.Size: 90*18mmProbe diameter: 4mmShank diameter: 10mmColor: silver + blackMaterial: steelPackage included:1* edge finderOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.