A precise, reliable straight stylus designed for everyday CMM probing. The ITP Type A Ruby Ball stylus combines a carbide stem with high‑quality ruby contact tips to deliver consistent measurements in quality control and inspection workflows.

• Type: Straight stylus, Type A design for dependable, everyday probing tasks.
• Ball tip: Ruby ball available in a range from Ø0.5 mm to Ø5.0 mm for versatile contact
• Stem material: Carbide stem for exceptional rigidity and dimensional stability under probing loads
• Thread: M2 thread to fit a wide array of CMM accessories and adapters
• Overall length: 21 mm, providing a compact, accessible probing profile
• Customization: Additional ruby ball sizes can be requested via configurator or by email

This straight stylus is ideal for routine measurements on flat surfaces, holes, and recess features where a stable, low‑deflection contact is essential. The carbide stem minimizes flex under load, helping to maintain accurate touch points across measurement cycles. The ruby ball offers excellent wear resistance and smooth contact with minimal marring, supporting repeatable results in tactile 3D measurement tasks. With its standard M2 connection, it integrates smoothly with common probing setups, and the option to select or request specific ruby ball sizes ensures you have the right tip for each feature you're inspecting.