The ITP Straight Stylis Type E with Ruby Ball is a high-precision probing stylus designed for dependable, repeatable measurements in metrology setups. Built for technicians who demand rigidity and a pristine contact surface, it integrates smoothly with standard probe heads to deliver consistent results across tight tolerances.

• Length & thread: 55 mm overall length with an M5 thread on top for secure attachment to common measurement systems.
• Stem material: Tungsten carbide stem provides exceptional rigidity to minimize deflection during contact.
• Tip material: Ruby ball—premium, hard-wearing, and ultra-smooth for precise tactile sensing.
• Ball diameter range: Ruby balls available from Ø 1.0 mm to Ø 3.5 mm to suit a variety of feature sizes.
• Design: Straight stylus optimized for stable probing paths and straightforward handling in tight work envelopes.
• Custom dimensions: Additional dimensions can be requested via the configurator or by email.

With a reinforced body and an ultra-rigid tungsten carbide stem, this stylus minimizes measurement deviation, enabling accurate capture of fine features across diverse materials. The ruby ball offers low wear and excellent repeatability, reducing measurement noise and extending probe life. Its 55 mm reach and M5 connection ensure flexible integration into existing metrology setups, while customizable dimensions provide a precise fit for your application—whether you’re inspecting micro-features, holes, or flats in electronics, aerospace, or precision engineering projects.