Features Straight Line Design: The line shape design is used to inspect simple features and provides direct, unobstructed access to the measurement appearance. Ceramic Material: The ceramic stem style also provides additional crash protection for the probe, greatly extending the life of the stylus. Tungsten Carbide Material: Tungsten carbide stems provide exceptional rigidity, especially for styli with small ball and stem diameters. Defend Your Tools: The red wear resistance ball has a long service life and will not wear the appearance of the abrasive material. Specifications: This probe stylus has a 0.5mm diameter red ball, M2 thread, and 20mm long. Remember to match the size before your purchasing. Specification: Item Type: CMM Probe Stylus Material: Tungsten Carbide, Ceramic Thread: M2 Application: Three Coordinate Machine Tool Stylus Package List:1 x CMM Probe Stylus 1 x Storage Box Note:Manual measurement, the actual size shall prevail. Package List 1 x CMM Probe Stylus 1 x Storage Box