2 pieces included in the package. A50003709 CMM Probe Stylus with a 50 mm stem and a 6 mm Ru ball. Each stylus is designed for precision measurement in CMM setups. Key benefits and features Precise measurement performance: 6 mm diameter Ru ball enables accurate contact probing for small features and tight tolerances. Durable and reliable: robust construction provides long service life and practical, repeatable results. Quality you can trust: strict quality control throughout manufacturing ensures consistent performance for every stylus. Longlasting wear resistance: design and materials resist abrasives to maintain stable, repeatable measurements over time. Clear compatibility: intended for use as a CMM probe stylus in standard measurement configurations. Specifications and build Model: A50003709 Package: 2 pieces Stem length: 50 mm Ball diameter: 6 mm Ball material: Ru (Ruthenium) Practical applications Dimensional inspection of precision machined parts: measure holes, diameters, steps, and small features with accuracy. Quality control in production environments: use for routine verification of part tolerances on finished components. Probing in tight or recessed areas: the 50 mm stem enables access to features that are difficult to reach with shorter styluses. Why this product stands out The pair provides readytouse coverage for multiple measurement tasks without retooling. The combination of a 50 mm stem and a 6 mm Ru ball balances reach and precision for reliable probe contact. Consistent performance is supported by strict manufacturing quality controls, ensuring dependable results in everyday CMM work.