CNC Cmm Machine Touch Probe StylusM3 4mm Ruby Ball Ceramic stem For 3D Sensor 80.362.00 Ruby provides a without wearing of the from abrasive materials. Ruby Diameter:4.0mm(0.1575 in) Length:25mm(0.9843in) Note: If you are not professional for technology, please don't buy this product Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:Metal Package Contents: 2 * Machine Touch Probe Only 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.