Features: ! It is a 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. Applies to traditional milling machines and machining centers.With the speed 400-600rpm use. The mechanical rotation measurements, no clamping errors.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.Specifications:Suit For: CNC Machine MillingShank: 10mmNote:1 Do not use bent edge finder or barely drag, otherwise it will affect the accuracy;2.Slide the end face do not adhering foreign matter or dust;3. In the measurement, the speed can not exceed 600RPM;4. bias-type edge finder is not suitable for use on horizontal type machines.Material: Metalcolour: silver+blackPackage Contents:1 x Edge FinderOnly the above package content, other products are not included.Note: Light reflection 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.