A precision straight stylus designed for everyday measurement tasks in tactile metrology. The ITP Straight Stylus Type A with a ruby contact ball delivers reliable, repeatable probing in a compact 43 mm form factor, compatible with standard M4 threaded holders.

• Thread: M4 threaded connection for universal compatibility with probe housings and fixtures used in most metrology systems.
• Overall Length: 43 mm, offering a compact reach suitable for tight spaces and recessed fixtures.
• Stem Material: High-performance ceramic provides low mass and exceptional rigidity, reducing deflection during contact.
• Contact Ball: Ruby ball with high-quality fabrication; ruby balls range from Ø6.0 mm to Ø10.0 mm, with other sizes available on request.
• Holder: Integrated holder featuring SW5.5 spanner width for secure installation and easy maintenance.
• Custom sizes: Other ruby-ball sizes can be requested through the configurator or by email to tailor the stylus to specific measurement needs.

This stylus improves measurement reliability by combining a lightweight, rigid ceramic stem with a durable ruby contact that stands up to frequent probing. The M4 thread and 43 mm overall length ensure compatibility with a wide range of probing systems, while the SW5.5 holder simplifies setup and service. Ideal for laboratories, quality control on production lines, and precision inspection tasks where consistent contact and minimal mass matter.