Features: _x000D_ 1. This is a measuring tool that can quickly set mechanical spindle and workpiece datum to the exact center position. _x000D_ 2. The probe uses full ceramic material, non-magnetic. _x000D_ 3. Measure at the rotary speed of 600-950rpm. _x000D_ 4. With wear resistant, anti-static properties. _x000D_ 5. High precision, long service life. _x000D_ _x000D_ Specification: _x000D_ Material: Ceramic (probe), tool steel (body) _x000D_ Hardness: body >HRC62, probe >HV1350 _x000D_ Accuracy: 0.002mm _x000D_ Body diameter: 10 mm/0.4in _x000D_ Probe diameter: 10 mm/0.4in _x000D_ Total length: 86mm/3.4in _x000D_ Package weight: Approx. 114g/4.0oz _x000D_ _x000D_ Package list: _x000D_ 1 x Edge Finder _x000D_ _x000D_ Note: _x000D_ 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. _x000D_ 2. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_ 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.