Precision measurement you can rely on 4 mm ruby ball tip provides accurate dimensional inspection and stable performance even with temperature variations, delivering reliable data for your quality control processes Broad compatibility and safe construction Fully compatible with HAI MER 3D sensor models including 80.362.00 Touch probe stylus with ceramic stem and stainless steel construction Builtin collision protection Nonmagnetic and nonconductive design materials for reliable accuracy ruby ball head known for exceptional wear resistance and light weight Strong ceramic stem that withstands rigorous measurement applications without compromising accuracy Enhanced durability for demanding environments LONG LASTING design with a wearresistant ruby ball that maintains spherical integrity through repeated use Temperaturestable ceramic material to ensure consistent performance across manufacturing environments Use scenarios Inline quality control on metal parts during production, where stable readings are needed across changing temperatures Calibration and inspection tasks with HAI MER 3D sensors, requiring reliable data and protection against collisions when probing complex geometries cycle metrology applications that demand long tip life and maintained accuracy during repeated measurements of tighttolerance features